Adams Arms Carbine Piston System Kit Introducing the "AR15 Fix" (Patent Pending), a revolutionary new "Retro-Fit Piston Driven Cycling System" for the AR15/M-16 rifle. Adams Arms piston driven systems replace the problematic impingement system currently associated with the mil-spec Ar15, m16 style rifles.

* Faster target acquisition
* Completely eliminates hot gases from entering the receiver
* Lowers recoil 30 to 40 percent by using a short stroke shaft
* Improves accuracy by lowering recoil
* Makes the weapon more reliable over a longer term of use
* Easy access from front of block with out removing hand guard