AR-45 Upper Receiver Group (DI)
$929.99 – $969.99
Our Macon Armory AR45 direct impingement upper receiver group barrel is black nitride coated and hand-crafted with a 1:16 twist and 5/8 x 24 muzzle thread using 4140 Chrome Molybdenum steel, providing both accuracy, durability and versatility.
This upper receiver group is compatible with dedicated AR45 lower receivers machined for M3 “grease-gun” magazines, including the CNC Gunsmithing AR45 lower receiver, Bazooka Brothers B-AR45 lower receiver and GWACS Armory Cav-15 MKII with Hahn precision adapter. Additionally, the DI45 upper has proven to be exceptionally reliable on the new Angstadt Arms large frame Glock lower receiver , as well as the Black Creek Precision large frame lower. With a slight mag catch mod that the mfg is going to offer replacement mag catches….we are now endorsing the new Wolfpack Armory large frame glock lower currently available as an 80%. We do NOT recommend New Frontier large frame Glock lowers.
AR45 DI upper receiver group includes:
- Barreled upper with bolt carrier group
- Samson Evolution free float forearm
- A2 flash suppressor
- Samson Evolution series accessory rail package consisting of two 2-inch and one 4-inch rails
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″.
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