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Posted On: 10/6/2026
By: Elliott Lovelace
A: Hi Elliot! It's virgin brass; never before fired. The ammo I've seen has factory-fresh Armscor Precision brass.
Posted On: 9/21/2026
By: Reginal Remy
A: Hi Reginal! There's a couple of ways to tell if 300 Blackout ammo is supersonic. First, note its muzzle velocity. If it's higher than the speed of sound – 1,125 fps – then it's supersonic. Don't have the muzzle velocity handy? Then refer to the bullet weight. If it's 190 grains or heavier, then it's definitely subsonic. To my knowledge, no commercially loaded supersonic 300 BLK cartridge has a bullet heavier than 150 grains. Maybe there's some exceptions (there always are), but you're safe assuming it's supersonic if its bullet weighs 150 grains or lighter.