May 21, 2016 · At Christmas time I bought a 10.5 Bergara 300 Blackout barrel from Jestice Arms. I had seen some nice groups from a Bergara 5.56 rifle barrel so when I wanted to do a 300 Blackout pistol as economically as possible I decided to try the Bergara barrel. I bought it on sale and to my door it was $90, that is pretty “economical”. Dec 20, 2020 · 5.56 vs 300 Blackout Case Comparison The casing for both the 5.56mm NATO and.300 AAC Blackout are almost identical. Both bullets have rimless and bottleneck case types, and both are used in rifles and AR pistols. Both use versions of the.223 Remington casing. Ar 15 5 56 Or 300 Blackout Home Defense And Ar15 300 Blackout Barrel For Sale is best in online store. Apr 10, 2019 · 300 Blackout offers a range of performance, in both supersonic and subsonic loadings. For those with a suppressor, the American Eagle 220g will provide a heavy projectile that when suppressed, is easy on the ears, which is important for close quarters that one may encounter in a home defense situation. Jan 15, 2020 · 300 Blackout and 5.56 Nato Home defense can be tricky with rifle calibers and it’s important to think about the benefits and possible consequences. Out of all options, 5.56 has the most velocity and muzzle energy, but once it hits drywall it will often start to tumble uncontrollably and lose energy quickly.