Adams Arms Mid Length Piston System Kit   Adams Arms piston driven systems replace the problematic impingement system currently associated with the mil-spec Ar15, m16 style rifles. Our system eliminates hot gasses and carbon from the bolt carrier reducing recoil, heat, fouling, maintenance and increases reliability. What you get! Everything pictured PLUS a modified M4 Style handguard, detailed installation instructions and a Lifetime Warranty.

* 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