![]() ![]() When you pay for subsonic ammo, you want it to be subsonic and not have so high of a muzzle velocity that it breaks the sound barrier. Since the speed of sound is fixed, the goal is to push as heavy of a projectile out of the barrel as possible (within reason) to thump the target with as much force as possible.īut not all 300 blackout ammo-especially subsonic-is created equally.įor the first couple of years after the 300 blackout came out, subsonic ammunition was ALMOST as hard to find as pink unicorn snot and I bought and shot whatever I could find. This becomes an advantage when you want to shoot suppressed, without hearing protection. 300 blk will push a 110-220 grain bullet. Instead of pushing a 55 grain to 77 grain bullet, like you would with a 5.56, a. ![]() 223 or 5.56 case that has been resized to hold a bullet that is. The subsonic version is hearing safe and the full power version has solid terminal ballistics out past 300 yards (16.7% more energy than a 7.62×39 at 300 yards). It’s not a magic bullet…it’s a bullet with a specific set of purposes. ![]() 45ACP and the full power has ballistics similar to an AK-47 (7.62×39). 300 blk is that the subsonic has ballistics similar to a. This is why it’s so different from the MP5/7 and M4.īallistically, the way that I think of subsonic. This does not require any changes or modifications to the gun. 300 blk round was designed as a replacement for the suppressed MP5 for building clearing operations that would be hearing safe to use while clearing a building and allow operators to immediately engage short to medium range targets in the outdoors by simply changing from a mag loaded with subsonic ammo to a mag loaded with full power ammo. This is what allows me to put fast rounds on target up close and followup quickly on medium range targets.Īnother benefit of this is that if you incorporate the push-pull into shouldering your carbine, you have enough isometric tension to start shooting sooner and have recoil control BEFORE the butt hits your collarbone/chest. Many people PULL on the vertical foregrip on an AR, but if you do that and have someone try to grab & move the muzzle, you’ll see how unstable that is.īut, if you PUSH on the vertical foregrip with your left hand while pulling on the pistol grip with your right hand, you cause isometric tension and create a MUCH more stable shooting platform. ![]() Second, and this is most important, I’m using a push-pull grip on the AR that helps control recoil, no matter what the caliber/load. 45 ACP with a shoulder stock, weight out front, and a vertical foregrip. On recoil control, there are a few things that are making the recoil as manageable as it is.įirst, in this case, it helps to think of it as shooting a. The high-speed recoil part should be of particular interest to those of you who asked for it when I did the article on high speed pistol recoil control. Here’s a quick 3 minute video where I demonstrate the accuracy, high speed controllability, and penetration of the round. 300blk subsonic so much and then I’ll give you some quick background on the bullet and tell you some of the top reasons why I shoot it. That’s fine, but let me SHOW you why I like. 300 blk and have been shooting it since 2012.Ī lot of people don’t understand the allure of the. ![]()
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