This custom Black Rain 300 Blackout is equip with the following brand new parts: -Browe BCO-001B-FDE 4x32 Optic -Black Rain Fallout 15 Lower Receiver -Black Rain Upper -Daniel Defense Modular Float Rail -Black Rain Complete Bolt Carrier Group -CMMG Lower Parts Kit -Wilson Combat 300 BKO Barrel -Core 15 Buffer Tube & Spring -Black Rain Buffer -Ergo Grip FDE -LaRue R.A.T. Stock -Black Rain Adjustable Gas Block -LBE Gas Tube Carbine Length -Noveske NX3 Flaming Pig Muzzle Break -Magpul Angled Fore Grip $3645