Colt AR-15  9mm Registered Receiver Mint Made from a factory 9mm gun. Setup like a commando(Model 635)

Colt  Ar-15 SP1 RR 11 inch HB Commando A1 Upper This has the original plastic coated aluminum stock and the castle nut is still peened / staked. 5.56mm

Colt  Ar-15 A2 Sporter II RR 11 inch HB Commando A2 Upper Originally registered by LaFrance Specialities 5.56mm

Colt M4 Carbine LE6920 5.56 NATO    Specifications Action: Gas Operated Semi-Auto Caliber: 223 Remington/5.56 NATO Barrel Length: 16.1" Capacity: 30+1 Trigger: Standard Safety: Reversible...

MARS-L PDW – Complete Lower LMT Defense The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver provides full ambidextrous controls, including the selector, magazine release, and bolt catch...