AR-15 300 Blackout Pistol Build Kits
“10.5″ 300 AAC Blackout Pistol Kit 10″ QuadRail Upper Assembled WITHOUT Lower” has been added to your cart.
AR-15 300 Blackout Pistol Build Kits
Complete AR15 Pistol Kit chambered in 300 AAC Blackout Caliber.
The Complete Kit Comes with the components to build a working 300 blackout AR-15 Pistol except sights, Magazines. Some of our pistol kits come with a lower, but not all. Parts that make up the kits are High quality American Made components. 300 BLK pistol kits come with a mil-spec lower parts kit, pistol buffer assembly, and parts to complete your upper if you choose one that is not assembled.
