Upper Receiver Parts

DSI Firestorm Compensator in 5.56, .308 or 9mm

DSI Stainless Firestorm Compensator in 5.56, or .308

DSI Competition Compensator in 5.56, .308 or 9mm

DSI Stainless Competition Compensator in 5.56, .308, or 9mm

DSI Nitride Barrel Crush Washer 5.56 - 7.62- 9mm (3-Pack)

DSI Stainless Barrel Crush Washer 5.56 - 7.62- 9mm (3-Pack)

DSI Micro Gas Block Steel .750

DSI Railed Gas Block .750

DSI Rifle Length Gas Tube

DSI Mid Length Gas Tube

DSI Carbine Gas Tube

DSI Pistol Gas Tube