Lower Parts

Buffer Spacer

+ 5 reviews

New Frontier Armory

Ejector (C5)

Magazine Catch (C9, C45)

+ 1 reviews

Takedown Detent Retention Screw (G15, C4, C9, C5, C45)

Feed Ramp / Ejector Screw (C5)

Ejector Installation Screws - 2 ea (C9, C45)

New Frontier Armory

Lightweight Polymer LPK

+ 5 reviews

New Frontier Armory

Pistol Caliber LPK

New Frontier Armory

AR-15 LPK

+ 3 reviews

Extended Mag Release -- (C9, C45)

+ 1 reviews

Stock Completion Kit - AR PISTOL

Extended Buffer – 8 oz