AR-15 Lower Receiver Group 5.56mm NATO
MOD4SA semi-auto AR15 forged lower receiver with internal parts and stock. Lower is mil spec and uses standard take-down and fire control pins. Receiver is mil-spec hard coat anodized aircraft grade 7075 T6 aluminum and is Teflon coated for added durability and color consistency. Internals are semi-auto mil-spec. Receivers are RDIAS/RLL compatible.
Semi-auto MOD4SA lower receiver. Our lower receivers feature Mil-Spec, .250 diameter take-down pins and .154 diameter fire control pins. The forged aircraft grade 7075 T6 aluminum lower is hard coat anodized to Mil-Spec, it is also Teflon coated for added durability and color consistency. All internals are semi-auto, Mil-Spec. Receivers are RDIAS/RLL compatible. This receiver comes with all of the lower parts, front take-down pin, fire control group, semi-auto selector, trigger guard, pistol grip, magazine catch/release and 6 position carbine buttstock installed.