Wow, so little drop in velocity, but I guess that’s what happens when it’s poking along so slowly that wind resistance is minimal. Unless you can range accurately, it’s going to get very tough making hits past 300 yards. Zeroed for 100 yards, you’re at 10″ low by about 275.
It generates a bit more energy at the muzzle than 223 and uses sane speeds, so I think it’d be a better close range deer cartridge than the 223. 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. 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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