Primary Weapons Systems MK116 Mod 1-M 16.10" Upper 7.63x39 M-LOK Rail Mid-Length, Black

The MK1 MOD 1-M line utilizes the legendary PWS long stroke piston system, providing a reliable and proven internal design favored by tactical enthusiasts. This series includes a free-float M-LOK handguard, integrated forward assist, and a mil-spec aesthetic optimized for both civilian and law enforcement use. Built with fully forged upper and lower receivers, the MK1 MOD 1-M serves as a durable, high-value firearm engineered for relentless performance in demanding environments.