Finish your 300 BLK AR build with the right buffer. Getting supersonic and subsonic 300 Blackout loads to reliably cycle

This AR15 Basic Lower Parts Kit includes all of the basic necessities needed for your own custom build. Most importantly

One of the most basic things you can do to improve your accuracy with your AR is to give it

Get all the pieces you need to finish off the shoulder end of your AR in one handy little package.

Stay legal and finish the rear end of that that AR pistol at the same time. Use the SBA3 pistol

Features: Made from 6061 T6 billet aluminum Mil-spec dimensions For use with standard-sized AR-15 rifles   WARNING: Handling firearms parts