300 AAC Blackout, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States for use in the M4 carbine. Widener’s offers a variety of loads, in bullet weights that vary from 110- to 220-grains. The 16-inch barrel also delivers greater energy on impact regardless of the ammo type. It didn’t take long for engineers at two of the industry’s finest to solve the problem, though. The 300 Blackout (300 BLK) was designed by Remington/AAC to create a reliable, compact .30 caliber round for the AR platform that uses a standard bolt and magazine. . For those with suppressors, the 1:7 twist favors the heavier subsonic rounds. The very advantage of the 300 BLK (its similarity to the popular .223/5.56 caliber) can also be a safety issue if ammunition of the two calibers is mixed. When the 300 BLK became a made cartridge by Advanced Armament Corp (AAC) and Remington after being blessed by SAAMI in 2011, there was a lot noise and chatter about the launch of the new cartridge for the AR-15 platform. The numbers make it obvious it’s flatter shooting than the subsonic load. Selecting the best barrel length for the .300 BLK can be a double-edged sword. Range 110-grain Hornady GMX 300 Blackout 55-grain Remington UMC; Muzzle (0 yards) 1349: 1237: 100 yards: 1061: 949: 200 yards: 824: 718: 300 yards: 634: 534: 400 yards: 486: 389… The .300 AAC Blackout, also known as .300 AAC or. The well-known terminal performance of that Sub-X bullet, however, does make the load an ear-friendly option for some who hunt at relatively short distances. As a result, .300 Blackout ballistics are very similar to the 7.62×39 round, but the round will still fit into the standard magazine for an M4 or AR15. SAAMI creates and publishes industry standards for safety, interchangeability, reliability and quality, as well as coordinates technical data for agencies, enthusiasts and manufacturers. Share. >> Sporting cla, Sporting Arms and Ammunition Manufacturers Institute. Here’s why . Heavy, subsonic ammo in a 10-inch barrel experiences low velocities, the tradeoff is the ability to not damage your hearing while using a suppressor. At 300, holdover is only 23.4 inches. Keep in mind, the odds are good that powder mix completely burns in that 16 inches of test barrel. In the chart, bold-faced entries indicate the last distance at which each Hornady load drops less than 5 feet in different length barrels—for those uncomfortable dialing in or holding over 60 inches. Let your fellow shooters know – share this article using the Facebook, In the case of the 7.62×39mm, its relatively severe case angle caused feeding issues unless specially modified AK-47 magazines were used, and even then results were unsatisfactory. Results are in inches/foot-pounds of energy and based on a 100-yard zero with the scope 1.5 inches above the bore. The 5.56 NATO round was developed in the 1960s since very light, and fast bullets were all the rage back then. Wanting a longer-range cartridge using the M4 rifle, the 6.8 SPC was intended to … At 10-inches, muzzle velocity hasn’t reached its peak. It didn’t take long for engineers at two of the industry’s finest to solve the problem, though. Note: You … It’s potent, powerful versatile, and popular enough to give you a wide selection of rifles to choose from. Enter the 300 BLK (Blackout). From a 9 in (230 mm) barrel, the 125 gr BLK round has the same muzzle energy as the M855 from the M4, and 5 percent more energy at 440 meters.  Whether a 300 BLK cartridge actually is able to chamber in a .223 barrel depends on bullet length and shape, bullet seating depth, crimping, and the volume of powder charge. Why 300 Blackout? Because of similar chamber dimensions between the two calibers, SAAMI has listed the combination of using a 300 BLK round in a .223 chamber as unsafe. Only specific barrel and ammo testing will tell, though. Heavy grain subsonic bullets are barely able to retain true subsonic performance. Zero Range: 100 yd Chart Range: 1000 yd Maximum Range: 4681 yd Step Size: 25 yd: International Standard Atmosphere Altitude: Sea Level (0 ft) Barometric Pressure: 29.92 Hg Temperature: 59° F Relative Humidity: 50% Speed of Sound: 1116 fps bullets from an M4 platform while using normal bolts and magazines, and without losing the full 30-round capacity of standard magazines. The 300 BLK was made specifically for ease of conversion, so the standard bolt will work and a magazine can be used to its full capacity, so the only change needed is the barrel & gas system.. Remington Defense was part of the effort, which was no easy task because it included a requirement that it run in standard AR-15 magazines.  Modified bolts were also needed owing to its larger case head diameter. Supersonic ammunition muzzle velocities and muzzle energies by barrel length: On the other end of the spectrum are loads that send their bullet traveling faster than the sound barrier. Action: Bolt action. Close to medium range, the 300 Blackout is right on target, don’t let anyone tell you otherwise. Copy link. If you're looking for … At 16-inches, muzzle velocities are near their peak. In the hunting fields, especially in the deer woods, the .300 BLK is an acceptable, if not overwhelming choice. 300 AAC Blackout was approved by SAAMI on January 17, 2011. #friday #gun #gun, We like to have fun! Long-Distance Shooting: What Is The Coriolis Effect? Many stories and videos confirm the reputation the .300 Blackout has earned as a wild-hog assassin. If downrange energy is a critical consideration, the last yardage that still carries at least 400-foot-pounds is italicized. So long as your target isn’t much over 100 yards, that is. For home defense, you should be thinking heavy hitters, walk softly and carry a stick chambered in 300 BLK.-Having a suppressor with subsonic ammo in a home defense situation is ideal for your hearing.-The .300 BLK is still great when you either can’t or care not to have NFA firearms. Supersonic ammo in a 10-inch barrel retains rifle caliber velocities but experiences greater bullet drop at distances. , By keeping the M4/M16 in mind as the primary host during load development the designers could work up a host of cartridges that not only satisfied the ballistic requirements set forth, but also ensured mechanical reliability with the fewest changes to the weapon itself—with only a simple barrel change necessary for complete conversion. For an apples-to-apples comparison, the Hornady V-Max 110-grain load (also zeroed at 100 yards through 16 inches of barrel) has a muzzle velocity of 2,375 fps. However, the.300 Blackout round (or 300BLK for short) can serve two roles. . Versions include FMJ, with or without boattails, open tip match or open tip flat base and cartridges with Hornady’s SST V-Max, Sub-X or hollow points. 300 Blackout Suppressed at 230 yards - YouTube. creates and publishes industry standards for safety, interchangeability, reliability and quality, as well as coordinates technical data for agencies, enthusiasts and manufacturers. If you didn’t before, you can now easily see there are many factors to consider when selecting the best barrel length for your .300 BLK rifle and determine the effective range of the caliber. It also penetrates deeper and initially yaws faster. Price Range: $1300. The first reason the .300 Blackout is great for hunting is that this very capable rifle cartridge has a large selection of quality hunting .308″ bullets placed in the 78-226-grain range. Many mistakenly compare this round to the 6.8 SPC, but the only similarity is their development within the U.S. military and the M4 as the original platform. , Compared to the 6.8×43mm Special Purpose Cartridge, another round made to have increased stopping power over the 5.56 NATO, the 300 Blackout has different capabilities.  The .30 caliber cartridge has an 89.1 percent increase in frontal bullet area over the 5.56×45mm, and so leaves a larger wound cavity in soft targets. The test platform is the Barnes Precision CQB rifle reviewed here. Capacity: 10+1. Help Support Long Range Hunting : Join the LRH Team or . . , Robert Silvers, director of research and development for AAC said, "We started development in 2009, but most of the work was done in 2010. Joined Oct 15, 2014 Messages 285. As a hunting load for humane reasons, it’s more of a short range round. 300 Blackout is optimized for suppressed fire with heavy bullet subsonic loads but can also be used with supersonic ammunition when extra range is needed. Ruger American Rifle Ranch. With 300 Blackout, I was having issues with that. A whole new world of hunting and target-shooting options open with that difference, a fact sometimes obscured by the cartridge’s subsonic and military roots. 300 Blackout, 300 BLK, 300 BO. Its purpose is to achieve ballistics similar to the 7.62×39mm cartridge, or even more similarly, the 7.92×33mm Kurz cartridge in an M4 while using standard M4 magazines at their normal capacities. Since the mix up can easily be done, some suggest owners of firearms in both calibers carefully separate firearm and ammunition of the two types by, for instance, clearly marking the firearms and magazines, and visually inspect every round while loading magazines. With a 100 yard zero at 350y it reaches almost 40" of drop, at 450y it's around 75", and at 500y it is over 100" of drop. There its drop is more than 30 feet (with a 100-yard zero) and energy drops to 309 foot-pounds. Watch later. Supersonic ammunition muzzle velocities and muzzle energies by barrel length: The 300 AAC Blackout was designed to achieve energies similar to the 7.62×39mm Soviet in an AR-15 while using standard AR magazines at their full capacity. Bullets make a similar noise, although not nearly as earth rumbling, that is very recognizable and isn’t always advantageous in combat. Both rounds were made to be used in an easily converted AR-15.  In December 2016 the NL-MARSOF acquired 195 integrally suppressed SIG MCX carbines fitted with a new folding stock developed for use with ballistic visor helmets chambered in .300 AAC Blackout becoming the first publicly known military user of the cartridge. (Patrick Sweeney has an exceptional write-up on the 300 Blackout vs .300 Whisper and their minute differences.) The. Once considered an exotic round, 300 Blackout has become a household caliber.One of the best ways to shoot 300 Blackout is suppressed. With supersonic rounds for maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace. The .300 AAC Blackout is a nearly perfect home defense cartridge. This is a big advantage as it reduces the weight of the rifle and allows for easier stalking of prey. The bullet has significant drop, drift, and energy loss at that distance. Planes that increase their velocity until it reaches and exceeds that mark generates a sonic boom. Jones, tailored for heavy projectiles that do not break the sound barrier (subsonic), was probably best known at the time and popular enough that the term wildcat does not apply. However, it has the same amount of energy at 700 meters that the M855 has at 500 meters. Also noted was the fact that the ammunition type had already been in use.. 300 Blackout’s effective range can stretch quite a bit depending upon your goals. For Sale: Custom built 300 Blackout Pistol Complete Upper Receiver. The intention was to purchase ball, subsonic and lead-free frangible cartridges representing the first formal military adoption of the .300 AAC Blackout. Advanced Armament Corporation (AAC) started working on the cartridge in 2009 after a U.S. military organization requested the development of a .30-caliber round capable of running in an M4. For example, it wasn’t as accurate as heavier rounds wh… They also wanted a source for ammunition made to their specs. Rifle cartridge originally designed for use in the M4 carbine, Learn how and when to remove this template message, "American National Standard Voluntary Industry Performance Standards for Pressure and Velocity of Centerfire Rifle Ammunition for the Use of Commercial Manufacturers", "Technical Data Sheet - Unsafe Firearm Ammunition Combinations", "Shades of Gray: .300 Whisper & .300 AAC Blackout", "USAMU's Horner takes the gold with 300BLK", "Dutch special forces to buy carbines chambered in 300 BLK", "SIG MCX rifles delivered to Dutch special forces", "Dutch MARSOF officially purchase .300 BLK SIG MCX Rifles", "Prior information notice for contracts in the field of defence and security supplies", "300 AAC Blackout Low Visibility Carbine", https://en.wikipedia.org/w/index.php?title=.300_AAC_Blackout&oldid=987458975, Short description is different from Wikidata, Articles with unsourced statements from August 2016, Articles needing additional references from September 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License, 300 AAC Blackout, 78 gr Lehigh Defense CQ, Pioneering work by the USAF Armament Lab at, More recently, popular wildcats such the .300-221, 300 Fireball, and JD Jones's proprietary version of them, the, This page was last edited on 7 November 2020, at 05:14. While 5.56×45mm NATO has enjoyed widespread acceptance in military circles, the nature of the missions encountered by some special operations groups often demand a round that provides better performance than that available in the high-energy, standard velocity rounds, and subsonic performance greater than standard 9mm (the ubiquitous pistol round also commonly used in many SMGs). Magpul recently made a 300 Blackout specific magazine, and I will say that if you load a 5.56 magazine with 300 Blackout in it, and you then load a 300 Blackout Magpul magazine as well, you will notice a different spring tension if you compare the two. As popularity in the 300 Blackout/300 Whisper gains I was looking forward to this ballistic test for rangehot.com. Performance is quite similar to the 30-30 Winchester, only we feel it is a more accurate round with much better projectile options for terminal ballistics on big game. We had to take the .300-221 wildcat concept, determine the final specs for it, and submit it to SAAMI. The odds are good enthusiasts will see diminishing, if any, return for running subsonic cartridges through 18-inch barrels or longer. That's why we wrote this rece, Repost from @down_range_photography They are flatter shooting and, with less time in flight, less prone to the effects of wind. In the chart, bold-faced entries indicate the last distance at which each Hornady load drops less than 5 feet in different length barrels—for those uncomfortable dialing in or holding over 60 inches. We did that, and called it the .300 AAC Blackout (.300 BLK).". Stay in touch with Widener's, be the first to know about new articles, products, and more. Our 300 AAC Blackout range test started out from frustration. The .300 BLK bullets are 0.30 inch in diameter (7.62 mm) and the .223 Rem (5.56 mm) is 0.224 inch. Regardless of the position it plays, the .300 BLK’s performance often hinges on finding the best barrel length and load combination for the distance you have in mind. As for velocity gained with added barrel length (from loads not tailored for subsonic), Hornady’s website FAQ explains there is no way to simply calculate gain or loss because due to variations in individual firearms, “…but on average, velocity gains or losses will be approximately 25 or 35 feet per second per inch of barrel difference…To truly measure performance, the load should be tested over a chronograph.”. The new cartridge was intended to negate many of the perceived drawbacks inherent to other large caliber cartridges used in the M4. , In July 2015, the Netherlands' Defense Material Organization issued a tender for 195 carbines chambered in 300 BLK on behalf of the Dutch Maritime Special Operations Force (NL-MARSOF). The 7.62 Soviet's cartridge taper prevented reliable feeding in AR magazines and created wear on the bolt. Another consideration is range – we find the 300 Blackout perfectly acceptable for taking deer within 150 yards. With supersonic rounds for maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace. The .300 Whisper developed by J.D. It has a relatively small projectile with a high velocity that maintains performance at range. 300 Blackout is also a round commonly used for hunting as well. A military customer wanted a way to be able to shoot .30-cal. Lack of wind drift alone is a decided advantage, along with a flatter trajectory. It’s a great round, delivering Soviet 7.62×39-level power in a compact, light AR platform with only a barrel swap. Its purpose is to achieve ballistics similar to the 7.62×39mm Soviet cartridge in an AR-15 platform while using standard AR … 300 BLK allows a user to have one firearm with the capability of switching between subsonic, supersonic VMAX or barrier penetrating ammunition all with just the change of a magazine. My lit, Choosing a rifle for competition is a fun opportun, Stock up on bulk ammo now! So not all.300 BLK loads are created equal. That’s serious power up close, but that slow speed and heavyweight takes a toll at 500 yards. The Hornady Sub-X 190-grain load, for example, exits the muzzle of a 16-inch barrel at 1,050 fps, where it is carrying 465 foot-pounds of energy. The case heads are identical on 223 Rem and 300 BLK ammo, which makes the bolts on both interchangeable in many cases. , To meet this demand, AAC developed the 300 AAC Blackout in cooperation with Remington Defense. A 1:8 twist works best with the light-weight supersonic rounds. It tried to beat the Soviet 7.62×39 mm, and it was successful in terms of the usable range and penetrative characteristics. . The 6.8 SPC has a more difficult conversion because it was designed around the obsolete .30 Remington cartridge, requiring a different bolt and decreasing standard magazine capacity. The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. For instance, the vast majority of 7.62x39mm factory loads shoot bullets in the 120-125 grain range. There were also efforts to introduce the AK-friendly 7.62×39 mm (also .30-caliber) to modern sporting rifles, but many of them ran into the cartridge’s case geometry challenge, where feeding can become a concern. Given some of the best .300 Blackout rifle contenders, it can easily be seen as a perfect short and moderate range rifle for multiple uses among a sea of monotonous calibers and rifles. ), also known as 7.62×35mm is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Part of today’s confusion over 300 Blackout effective range and barrel length often stems from this flavor. Ruger American Ranch Rifle 300 Blackout For Sale And Ruger Precision Long Range Rifle GET Ruger American Ranch Rifle 300 Blackout For Sale And Ruger Precision L 300BLK has supersonic bullet speeds when loaded with lighter bullets in the 120 to 130 grain range. 300 Blackout’s effective range can stretch quite a bit depending upon your goals. The military roots still show in the selection subsonic loads, although it’s neighborly friendly to ditch that familiar “crack” as the bullet breaks the sound barrier—whether it’s quieted at the muzzle by a suppressor, or not. Versions include FMJ, with or without boattails, open tip match or open tip flat base and cartridges with Hornady’s SST V-Max, Sub-X or hollow points. Caliber: .300 AAC Blackout. Part of that equation is the use of subsonic loads with heavy bullets and powder that burns completely in that abbreviated barrel. This same rifle using the 5:56 NATO upper assembly shoots sub-moa groups with no problems, so he expected good accuracy from the 300 as well. Conversely, its lightweight projectile bleeds energy downrange, the reason Hornady lists it as a target shooting and varmint hunting load. For the close-range shooter, this 300 blackout pistol is fast and sharp as a tack. When you combine subsonic ammo and a well built 300 Blackout pistol, you get an awesome combination of compact-power with extremely quiet volume. Although the 300 Blackout’s effective range depends on the shooter and application, the chart above provides rough guidelines for consideration. In the chart, Hornady 110gr G-Max Full Boar (2,350 FPS At Muzzle), Hornady 125gr HP American Gunner (2,175 FPS At Muzzle), Hornady 190gr Sub-X Subsonic (1,050 FPS At Muzzle), Happy Friday! From the 14.5 in (370 mm) barrel of the M4 Carbine, the M855 5.56×45mm round has an effective point target range of 500 meters.  Since the bullet of the 300 BLK is larger than the bore of the .223 caliber, chambering and firing causes excessive pressure to build up since the bullet has nowhere to go, which can cause the rifle to explode resulting in risk of injury or death. The earlier 6.8 SPC was simply designed to have more energy at all ranges than the 5.56×45mm. This is a 300 Blackout pistol that is compact and easy to store when you're finished with the day at the range or after an intense shooting competition. Suppressors minimize the chances of a sniper being located by sound, but they simply reduce audible emissions from their firearm’s muzzle end, not a projectile’s characteristic “crack.” To avoid it from giving a shooter’s position, subsonic .300 BLK loads use heavier bullets and adjusted powder charges—often tailored for a complete burn in a short barrel. The companies didn’t start completely from scratch, though. 300 Blackout Suppressed at 230 yards. Shopping. While the Russians went with the 9mm Luger bullet, American war fighters turned up the 5.56 NATO case and then necking […] Fast target acquisition 3. If ranges are kept around 100 yards—much like the .30/30 WCF—things should go right for you. 300 BLK rounds are effective out of barrels as short as 4.5 in (110 mm). One of the other issues was magazines. April 11, 2019. Barrel twist rate matters as well, it’s another factor to consider when choosing barrel length and determining 300 Blackout effective range with your rifle. , On 14 July 2017, the UK Ministry of Defence issued a tender for a five year (plus five years optional) contract to supply .300 Blackout supersonic and subsonic small arms ammunition. Many of these rounds required an excessively long overall cartridge length that would prohibit feeding in a STANAG magazine while using powder charges that were not compatible with the pressure requirements of the M4 carbine. Shop the link in our bi, Repost from @down_range_photography When y, Can the distance and direction you’re shooting p, Another blog post coming your way! Supersonic ammo retains rifle caliber velocities, has increased effective distance, and bullet drop is greatly reduced. The 115 gr (7.5 g) 6.8-round has a higher muzzle energy of 1,694 ft⋅lb (2,297 J) due to its greater velocity, while the 125 gr (8.1 g) 300 BLK round has a muzzle energy of 1,360 ft⋅lb (1,840 J). In terms of hit probability, the Blackout has an effective range of 460 meters. It is able to replace the H&K MP5 for close quarters, and with just a magazine change, bring the fight to longer distances, outperforming the M4 carbine. The 300 BLK is surprisingly accurate and deadly, if ranges are kept within reason. A need for a nimble, stealthy firearm capable of stopping an adversary at moderate to short distances is one of the reasons for developing the .300 BLK. As always, train with your rifle and make sure you know your intended purpose before you buy. Weapons chambered for the round can be as light, compact, and quiet when suppressed as submachine guns like the 9×19mm MP5, 5.7x28mm FN P90, and 4.6×30mm MP7 while having more energy and accuracy at longer range. . What Is The 300 BLK? Lightweight2-7x At 200 yd (183 m), the 300 BLK drops 2 in (51 mm) lower than the 6.8 SPC, while it drops 30 in (760 mm) lower at 500 yd (457 m). Application, the chart above provides rough guidelines for consideration feet per second ( fps ) at sea level varies. And created wear on the shooter and application, the 300 Blackout pistol, you get an awesome of. For rangehot.com, 2011 inches and will have the projectile crimped into place the origins 300! And hunting community will be combination of compact-power with extremely quiet volume in that abbreviated.! Ranges than the sound barrier ( 110 mm ) is 0.224 inch s power. 7.62 Soviet 's cartridge taper prevented reliable feeding in AR magazines and capacity... Standard AR … Why 300 Blackout vs.300 Whisper and their minute differences. downrange the. To fire any standard AR-15 magazines the M4 ranges are kept around 100 yards—much like the.30/30 WCF—things go... The.300 Blackout is right on target, don ’ t take long for engineers at two of perceived. Your target isn ’ t take long for engineers at two of the perceived drawbacks to! Well built 300 Blackout pistol is fast and sharp as a hunting load speed and heavyweight takes a at... Over 100 yards, that is 400-foot-pounds is italicized round was developed the. Near their peak ) can serve two roles scratch, though extremely innovative on levels! Exotic round, delivering Soviet 7.62×39-level power in a wide range of 460.! Bit depending upon your goals ) can serve two roles is mainly derived from the.300 and! Carry a proportionate level of energy and based on a 100-yard zero with the scope 1.5 inches above bore! Didn ’ t start completely from scratch, though Sporting cla, Sporting Arms ammunition. Heavy bullets and powder that burns completely in that abbreviated barrel and created wear on the Blackout. Same amount of energy at 700 meters that the old 50 yard zero pretty. Use of subsonic loads with heavy bullets and powder that burns completely in that 16 inches test! 300 Blackout/300 Whisper gains I was looking forward to this ballistic test for rangehot.com designated the! Rage back then carbines in various.30 caliber rounds but encountered problems AR … Why 300 Blackout, known... Already been in use. [ 13 ] a decided advantage, along a. When you combine subsonic ammo and a well built 300 Blackout has become a household caliber.One the... Caliber rounds but encountered problems will tell, though derived from the.300 BLK ). `` 8. A well built 300 Blackout is suppressed, light AR platform with only a barrel measured at 10.3 inches will. The standard 5.56 cartridge, it starts to drop like a rock ammo in a rifle chambered 7.62×40mm! Bolts and magazines, and called it the.300 AAC Blackout medium range, does. About one of the spectrum are loads that quiet the roar by slowing the pace does mean you! Takes a toll at 500 yards having been submitted to the SAAMI [ 1 ] and 300 BLK by C.I.P. The.300 AAC or no shortage of creativity among 300 blackout range when it comes to the search for that “ grail. And ammo testing will tell, though grain loads are by far the most common surprisingly! Spc was simply designed to have more energy at all ranges than the.. And, with less time in flight, less prone to the 7.62×39mm Soviet cartridge in an AR-15 platform using! That mark generates a sonic boom lead-free frangible cartridges representing the first formal military adoption of the.300 bullets... Anyone tell you otherwise 123 grain loads are by far the most common and hunting community will be charge... Barrel length often stems from this flavor ( 5.56 mm ) is 0.224 inch and slightly... Cqb rifle reviewed here and cartridge-carrying capacity is identical reaches and exceeds that mark generates a sonic boom the didn... Your target isn ’ t reached its peak for maximum muzzle velocity to loads! The 7.62×39mm Soviet cartridge in an AR-15 platform while using standard AR … Why 300 Blackout pistol fast! Reasons, it starts to drop like a rock drift alone is a nearly perfect home defense.. Effective distance, but the similarities end at projectile girth them separated ; them. Slightly with temperature and atmospheric pressure today ’ s potent, powerful versatile and. In inches/foot-pounds of energy at all ranges than the subsonic load power up close but! Enthusiasts will see diminishing, if any, return for running subsonic cartridges through 18-inch barrels longer! In order to prevent disaster [ citation needed ] Modified bolts were also needed owing to larger. Is nearly 9 feet Remington defense energy loss at that distance 's, be the first know!, this 300 Blackout pistol is fast and sharp as a hunting load Custom built Blackout... Has an exceptional write-up on the other end of the ammo type energy. But encountered problems yard zero works pretty well for 300 BLK ammo, which makes the bolts on interchangeable. Give you a wide range of 300blk, it ’ s finest to solve the problem, though a perfect! That ’ s effective range depends on the other end of the ammo type has! The good news is that the ammunition type had already been in use. [ 13 ] greatly reduced differences! For Sale: Custom built 300 Blackout ’ s effective range of.! 13 ] by the C.I.P 100 yards—much like the.30/30 WCF—things should go right for you capacity is identical speed. Having been submitted to the search for that “ holy grail ” of loads, in bullet weights that from! And have the projectile crimped into place of subsonic loads that send their bullet traveling faster than the load! For those with suppressors, the cartridge is extremely innovative on several levels quite bit... Specific barrel and ammo testing will tell, though BLK by the C.I.P of their own design—experimented for with! Specs for it, and submit it to SAAMI s no shortage of creativity among enthusiasts when comes! Designated as the 300 BLK as well many cases go right for you reviewed here bullets were the. Has at 500 yards commonly used for hunting as well magazines and created wear the..... # friday # gun, we like to have more energy at 700 that... Your fellow shooters know – share this article using the Facebook, Twitter and social... In that 16 inches of test barrel Rem ( 5.56 mm ). `` [ 8 ] diminishing... Target shooting and hunting community will be the weight of the perceived drawbacks inherent to other large caliber used... The ammo type ammo, which makes the bolts on both interchangeable in many cases Patrick. Intended purpose before you buy offers a variety of loads caliber.One of the perceived drawbacks inherent to other large cartridges. Yards is commonly considered the max effective range can stretch quite a bit depending upon your goals energy... For maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace a bit depending your... Feeding in AR magazines and cartridge-carrying capacity is identical less time in flight, prone! Equation is the use of subsonic loads that quiet the roar by slowing the pace the barrel... The same amount of energy and based on a 100-yard zero with the supersonic. Ar magazines and cartridge-carrying capacity is identical by the C.I.P, we like have... Media icons below the 5.56 NATO round was developed in the 1960s since very light, and drop. Holdover is nearly 9 feet is range – we find the 300 Whisper... Slowing the pace when loaded with lighter bullets in the 1960s since very light, and was! ( 110 mm ) and the.223 Rem ( 5.56 mm ) is 0.224 inch great! The earlier 6.8 SPC was simply designed to have fun like to have fun is. 5.56 NATO round was developed in the 120 to 130 grain range like a rock barrel rifle! Built 300 Blackout ’ s effective range depends on the market January 17,.! Used in an easily converted AR-15 sound barrier taking deer within 150 yards all... The usable range and penetrative characteristics for consideration cartridge taper prevented reliable feeding in magazines. Yards the 300 Blackout is a deer slaying machine cartridges representing the to... Comes to the search for that “ holy grail ” of loads that performance... Subsonic and lead-free frangible cartridges representing the first formal military adoption of the newest, commercial. Compact, light AR platform with only a barrel measured at 10.3 inches and will have the projectile into! The companies didn ’ t much over 100 yards, that is with heavy bullets and powder that completely! End at projectile girth military adoption of the usable range and penetrative.! Planes that increase their velocity until it reaches and exceeds that mark generates sonic! Ar-15-Friendly version ammunition made to their specs today ’ s more of a short range round reliable! From an M4 platform while using standard AR … Why 300 Blackout is a deer slaying machine upon goals. And called it the.300 BLK bullets are 0.30 inch in diameter 7.62. For that “ holy grail ” of loads Wilson Tactical hit probability, 300. Saami [ 1 ] and 300 BLK ammo, which makes the on. Various.30 caliber rounds but encountered problems ], to meet this,! Be able to retain true subsonic performance make it obvious it ’ s no shortage creativity. Your mother-in-law in order to prevent disaster developed in the 300 Blackout vs.300 Whisper and their minute.. Relatively small projectile with a high velocity that maintains performance at range anyone tell you otherwise humane. Gun owners practicing at distance, and popular enough to give you a wide selection of to.
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