Empire Tactical | WAR MACHINE – MK3 Upper Receiver Assembly

SKU: 08-241-15220-125

MPN: 08-241-15220-125


Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

This Empire Tactical MK3 complete upper receiver is a high-quality upper receiver assembly featuring a forged mil-spec upper receiver, 16″ mid length nitride barrel, M16 nitride BCG, Empire Tactical MCR 15 free float M-lok handguard, Radian Raptor Ambi charging handle .

The MK3 is similar to the MK2, but the MK3 includes the Empire Tactical Hellraiser muzzle brake as an upgraded feature.

Product Details:

  • Caliber: 5.56 NATO
  • Barrel Length: 16″
  • Barrel Material: 4150 CMV
  • Gas System: Mid-Length
  • Gas Block Diameter: .750″
  • Gas Block Type: Low Profile
  • Barrel Profile: Government Profile
  • Barrel Feed Ramps: M4
  • Twist Rate: 1-7 Twist
  • Barrel Finish: Black Nitride
  • Muzzle Thread: 1/2-28
  • Muzzle Device: Empire Tactical Hellraiser
  • Handguard: 1Empire Tactical MCR 15 Free Float M-LOK Rail
  • Upper Receiver: Forged 7075 T6 Aluminum
  • BCG: M16 Black Nitride
  • Charging Handle: Radian Raptor Ambi
Weight 4 lbs
Dimensions 28 × 4 × 4 in
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All NFA Rules Apply.

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Empire Tactical abides by all state regulations regarding the sale of high-capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. Please see our terms and conditions for a list of restricted states.