Very similar to ballistics on the 7.62×39, but lagging in power at 100-150 yards. It’s important to separate the 110 grain supersonic round vs the 200+ grain subsonic rounds due to their very different ballistic profiles.Įffectively, it’s a 100 yard cartridge for hunting deer.
5.56 SUBSONIC ROUNDS MOD
223 magazinesįor a civilian shooter, getting into 300 Blackout when you already have an AR-15 is pretty easy: you can buy a dedicated upper to have some flexibility, or switch to a 300 Blackout barrel for a permanent mod and you’re done. The 300 Blackout was designed with a few things in mind: If only we could get 7.62×39 performance in an AR-15… And then there’s the case taper: which enables great semi automatic reliability but doesn’t work well with the straight magwell and magazines of the AR15.
The case head is wide enough that you give up quite a bit of metal on bolt lugs after hogging out the bolt head. 30 in the AR-15? Some manufacturers offer AR-15’s that run 7.62×39, but that cartridge isn’t the best for the AR-15. The AR-10 delivers a lot more power but it’s heavier, gives up magazine capacity, isn’t nearly as common or standardized as the AR-15 platform, and the case capacity is a bit of a waste if you want to run subsonic rounds. Within the Armalite family, there’s the AR-10 in. Let’s dive into the 300 Blackout as it performs against the.
It’s easy to convert AR-15’s to and easy to form cases if you’re into reloading.
Delivering similar ballistic performance to the 7.62×39, but using a slightly lighter bullet, the 300 Blackout alleviates some hunter’s concerns around bullet mass on game AND makes for a handy suppressed round in an AR-15. The 300 Blackout, sometimes called the 300 AAC Blackout and somewhat similar to the 300 Whisper®, is what happens when you want an easy 30 caliber conversion for your AR-15.
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