10mm Upper Receiver Group (BB)
Our Macon Armory10mm blowback upper receiver group is based on the Colt pattern. Our barrels are Cerokote coated and hand-crafted with a 1:10 twist and 5/8 x 24 muzzle thread using 4140 Chrome Molybdenum steel, providing both accuracy, durability and versatility. Uppers are built around an Aero Precision non forward assist upper receiver and include blast deflector and 3/4 ejection port cover.
This blowback upper receiver group is currently available as a special order item. Pleas contact Rudy at (478) 474-2990 for details
AR45 BB upper receiver group includes:
- Barreled upper with bolt
- Heavy Buffer
- KeyMod free float forearm
- A2 flash suppressor
- Magazine latch as required
It is the customer's responsibility to be aware of all applicable laws and regulations regarding purchase and ownership of upper receivers with a barrel length of less than 16".