We are proud to offer all the Barett firearms, which is well known for the 50 BMG Barrett rifles, now producing their piston Barrett AR-15. The Barrett AR15 unlike most AR-15 rifles uses a piston to reload and eject spent casings, rather than the direct gas blow back. This innovation is on the most popular to reach the AR15 rifles since their beginning. So when it comes to Barrett Arms produced AR-15 rifles, we are your one stop source.