11.5inch Carbine-Length Upper Receiver Group, M-LOK™, 223 Wylde Criterion 1/8 Barrel

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  • Forged 7075 T6 Aluminum Upper
  • Hard Coat Anodizing
  • T-Markings on Receiver
  • 11.5 inch Phosphate Finish Barrel
  • Threaded 1/2x28
  • Chambered in 223 Wylde
  • Enhanced 1/8 Twist, Chrome Lined Criterion Barrel
  • M4 feedramps
  • Carbine Length Direct Impingement Gas System
  • MI-CRM10.5 Combat Series M-LOK Handguard
  • MI A2 Flash Hider

Weight 2lb 12.5oz.
Overall Length 20"

This item does not include a Bolt Carrier Group or Charging Handle

Magpul® and M-LOK™ are trademarks of Magpul Industries Corp

Complete Upper Receiver groups do not come standard with charging handles and bolt carrier groups.


Be sure to inspect the complete upper before accepting the transfer. Any complete upper that has not been transferred will be eligible for return but may incur a restocking fee. NO returns of any complete uppers will be allowed once transferred to “you,” the buyer. ALL complete upper sales are final. Midwest Industries complete uppers are made right here in the USA and are covered under our limited lifetime warranty.

NOTE: Complete rifles, complete upper receivers, lower receivers, and any FFL-related items are NOT returnable once transferred and do not qualify for Free Shipping.