AR-45 Complete Upper Receiver Conversion Kit (DI)


Out of stock


Our Macon Armory AR45 complete upper receiver conversion kit with direct impingement upper provides all you need to convert your existing AR lower into an AR45. Our barrels are 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.

AR45 DI conversion kit includes:

  • Barreled upper with bolt carrier group
  • Macon Armory Mlok freefloat forearm PHOTO does not show current forearm
  • Magazine well adapter
  • Magazine loader
  • Two 20-round magazines
  • A2 flash suppressor

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″.Customers in NY, CA, CT, NJ, MA, MD, and CO will automatically have kits adjusted to include 10 round magazines.

Additional information

Barrel length

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Macon Armory


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