This is a Silencer Co AMBI receiver set with a Rosco 10.5 in 300 Blackout barrel. It is currently in a pistol configuration and it has a Midwest Industries 7.25in quad rail.
Knightâs Armament AMBI mag release
Silencer Co gas buster charging handle
Radial Talon Safety Selector
Magpul Angled Foregrip
Magpul K2 Grip
Holosun Green Dot
Primary Weapon Systems ratchet endplate and castle nut
DeadAir 30cal KeyMo muzzle brake
Battle Arms Development takedown pins
Magpul Pro BUIS 45deg Offset