-ALL C.A.P.S. PISTON CONVERSIONS HAVE A 3 WEEK SHIP TIME!

-PISTON UPPERS HAVE A 3 WEEKS SHIP TIME...unless noted!!

-7.62x39 MID-LENGTH PISTON UPPERS AVAILABLE TO SHIP WITHIN 1 WEEK!!!

-300BLK PISTON UPPERS AVAILABLE TO SHIP WITHIN 1 WEEK!!!!


Gas Piston System | Enhanced Bolt Carrier | Enhanced Firing Pin


300BLK LOW PROFILE PISTON UPPER AVAILABLE NOW


7.62x39 GAS PISTON UPPERS