Faxon Firearms FF9MMBCGCNITRIDE PCC Blowback Gen2 9mm Luger, Salt Bath Nitride 8620 Steel For AR-15 Compatible w/Glock, Colt
Faxon Firearms FF556BCGCNITRIDELW Gunner Lightweight 5.56x45mm NATO, Salt Bath Nitride 9310 Steel For AR15 Rifle