KE Arms USM4 Forged Complete AR15 Lower Receiver 1-56-05-520

Forged complete lower receiver by KE Arms Technical Specifications Lower Receiver Material: USM4 forged aluminum with a type 3 hard coat anodizing - Hammer/Trigger pin size: Mil-spec - Pivot/Takedown Pin Size: Mil-spec - Caliber Marking: Multi - Buttstock: Mil-spec 6 position - Buffer: Standard carbine buffer and spring - Trigger: Mil-spec single stage trigger with a non-adjustable trigger pull - Grip: A2 style plastic grip Manufacturer Part Number: 1-56-05-520 Manufacturer Part Number: 1-56-05-520