Magazine Tube, Half - Magazine Tube For 16.5'''' Barrel

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

Aim Sports Pistol Buffer Tube, Black - Lightweight and Sturdy Buffer Tube for Pistol - ARPTUB

Stern Defense Barrel .45 ACP 10.50", Black

Faxon Firearms Duty Carbine-Length Button Rifled Gunner Big Bore Barrel .450 Bushmaster 16", Black

Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black

Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black