Primary Weapons Systems MK1 5.56x45mm AR Lower, Black - 222M100RM1B

Base your custom build on the industry's best with the PWS MK1 MOD 2 complete lower receiver for sale. The multi caliber PWS MK1 MOD 2 complete rifle lower features an ambidextrous bolt catch and mag release, lightweight and durable 7075-T6 aluminum construction, a Mil-Spec enhanced trigger with a 5.5 to 6.5 pound pull, a Bravo Company buttstock and pistol grip, an integrated trigger guard, and a hard coat anodized finish that's hardwearing and ready for harsh environments.