CMMG is a leading manufacturer of firearm related accessories. CMMG's commitment to quality and creating product at the best value; this complete upper receiver is designed to connect seamlessly with the lower.
Features and Specifications:
Manufacturer Number: 90B1AA2
9mm M4 Upper.
Mil-Spec A3 Receiver.
4140 W.A.S.P. (Weapon Armament Surface Protection) Barrel with 1:10 twist.
Ramped 9mm Bolt uses a standard AR-15 or M16 hammer.
Do not use with the dedicated 9mm hammer.
"F" marked front sight.
Find your ideal complete upper receiver right here at Cheaper Than Dirt! Build, modify, and upgrade your rifle with parts and accessories from trusted brands, all ready to ship so that you can get your gun finished faster and get back to shooting sooner. Our competitive pricing allows you to afford quality you never thought possible.
Features and Specifications:
Manufacturer Number: 90B1AA2
9mm M4 Upper.
Mil-Spec A3 Receiver.
4140 W.A.S.P. (Weapon Armament Surface Protection) Barrel with 1:10 twist.
Ramped 9mm Bolt uses a standard AR-15 or M16 hammer.
Do not use with the dedicated 9mm hammer.
"F" marked front sight.
Find your ideal complete upper receiver right here at Cheaper Than Dirt! Build, modify, and upgrade your rifle with parts and accessories from trusted brands, all ready to ship so that you can get your gun finished faster and get back to shooting sooner. Our competitive pricing allows you to afford quality you never thought possible.