Never Fired, Built several and never fired either Rifle. Hogue Buttstock JP Enterprises Roller Trigger Radian Weapons Safety Aero Precision M4E1 Upper and Lower 1/2x28 threaded .223 Wyld 18" Barrel 1:8 Twist 416 Stainless steel 16.6" M-lock Atlas R-One Handguard A2 Flash Hider Aero Precision Nickle Boron Bolt Radian Weapons Charging Handle Magpul MOE+ Grip Mil-Spec Buffer Tube Assembly