The best feature is the quality of all the components used. The 300 BLK round is a 5.56 replacement, with 7.62×39 capabilities with minimal alterations required for the weapon system. Summary: The 300 Blackout is a great round when it comes to short-range and big game shooting. If we are to fully understand this round, we need to take a look at the technical aspect as well. It had to use a gas impingement system, and be able to shoot both subsonic and supersonic. There was the 6.8 Rem Special, 6.5mm Grendel, the Wilson Combat 6.8mm, and others. Manufacturer: Advanced Armament Corporation/Remington Defense Designed for the AR platform, the 300 Blackout came out at a time when the existing 5.56x45mm ammunition was facing backlash for being too underpowered compared with what the enemy was using and for being too loud. If you need a 300 Blackout round with consistent ballistics, you can't beat this option. These are impressive full metal jacketed bullets loaded for subsonic performance. Also, a point of discussion we may want to get out of the way, there are a gazillion short-hand names for .300 AAC Blackout that people use interchangeably. The bullets are Sierra Match King projectiles. However, since its development ten years ago, the caliber has been developed and tested for hunting at mid to long-range with outstanding results thanks to its 30 caliber knockdown power. The 300 Blackout was initially equipped with a normal magazine and bolt to provide comparable output to the 7.62×39 mm Soviet Round in an AR-15. If you are a reloader, you know that Hornady brass is prized in the reloading community. The projectile has a ballistic coefficient of 0.56. Likewise, 300 Blackout is a superior hunting round to 7.62 X39 because most 7.62 X 39mm ammunition is Berdan primed and steel cased and therefore non reloadable. Supersonic .300 Blackout does nothing that supersonic 5.56mm, 7.62x39mm, 6.8mm, or 5.45mm can’t do and subsonic .300 Blackout is a poor choice for defense. Unlock levels depend on weapons and they are basically different. This match-grade ammo is nothing, if not accurate. It is most useful at short ranges but there are better cartridges for short range. These give you outstanding accuracy and only slight dispersion when they are suppressed. So here are the numbers. These are apparently actually Hornady A-max match grade bullets. As it usually goes with the U.S. Army, they got what they wanted. First, its muzzle energy had to equal or exceed the AK-47. The 300 BLK gives the AR-15 the ability to shoot a much larger bullet (similar to the 7.62x39mm round used by the AK-47) by switching out the upper receiver. The top features of this subsonic 200-grain 300 Blackout ammo are the performance when suppressed and the heavy bullets. The .300 Blackout is known for its reliability and effectiveness when used in a short barreled or suppressed rifle, especially when compared to the .223 Remington. Apparently, the story goes that an unnamed special missions unit in the U.S. Army asked for a round that could fit inside a .30-caliber rifle, and would be usable with any AR weapon. That is more muzzle energy than a 230-grain .45 ACP load yet includes the ability to fire more accurately and at greater distance while utilizing the same 30-round magazines you They come in boxes of 20. It mimics the Russian 7.62×39 round, and can even be loaded into standard Ballistics can be a tricky thing to judge because any judgment will be contingent upon your intended use case. Remington Premier Match ammunition uses all match-grade bullets. As you’d expect from the fact that the .300 Blackout was designed to use a standard AR-15/M16/M4 bolt, gas system, and magazine, the 5.56 and .300 Blackout cartridges are very similar in overall size and have the same case diameter. Its original intent was to provide outstanding terminal performance and accuracy going through suppressed with subsonic or standard ammunition. Glock 26 vs. Glock 43 – Which Should You Buy. The 300 Blackout round is making a comeback from relative obscurity in recent years. The muzzle velocity is 1050 fps and the muzzle energy is 465 foot-pounds. Their HP American Gunner line offers great versatility at standard velocities. Hornady is one of the top ammunition manufacturers worldwide. Given the subsonic performance and heavy bullet, the ability to fine-tune your setup will give you the best results. Follow our guide below for a detailed list of the best 300 Blackout ammo on the market today. This was based on real combat experience in which the standard 5.56x45mm NATO round did not provide sufficient knockdown power at the short ranges of urban combat. 300 Blackout Rifle Ammunition 150 grain Plated projectile (USA Made) High Quality Range & Hunting Ammo (50 Rounds) Ammo is loose packed in clear sealed bags Brass cased & Non corrosive Brass is fully converted in house from LC Once fired brass Clean burning powder Shoot with confidence. You can even find it in Walmart nowadays! All together, this package gives you a .30 caliber wallop with no more recoil than a standard 5.56. The full metal jacketed bullets have a non-steel core (we're guessing that means lead). But what about .300 Blackout These rounds work perfectly in either modern sporting rifles or bolt action hunting rifles. Equip Attachment in the Gunsmith Menu . 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