PWS 1/2X28 PISTON BLK

Primary Weapons Systems Piston, Fits 1/2X28, Anodized Finish, Black 1Q0044

Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices we tested our compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high round counts the difference in maintenance needed was both astounding. From that basic realization the PWS long-stroke piston system was born