The ARAK-21® is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take down pin and the pivot pin. This upper receiver offers you all its features with no change to your current lower receiver and can be installed in less than one minute with out tools. AR-15 + AK-47 = ARAK-21®. We can also provide you with a full line of AR-15 barrels manufactured in house.
Brands: ARAK-21® complete upper receiver for the AR-15 platform