CMMG: Resolute Mk4, 5.56 NATO, 16.1" Armor Black

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When full-size rifles are too cumbersome and pistols/SBRs don’t deliver the long-range ballistic performance you need, the CMMG RESOLUTE line of carbine length rifles is the answer. Fitted with the suite of ZEROED parts and accessories as well as the legendary RIPSTOCK, the RESOLUTE is the rifle that’s never out of place. The EML™ 15 handguard brings style to the next level. M-LOK® attachment slots are found where expected at the 3, 6, and 9 o’clock positions as well as on top at 12 o’clock with the omission of a full-length Picatinny section found on our previous handguard. This reduces weight while the additional M-LOK section still gives shooters a place to mount those must-have accessories.

When it comes to dimensions and the caliber, this is what comes to most people’s minds when you say AR15. This CMMG® RESOLUTE® comes chambered in 5.56x45mm, one of the most prolific calibers in the world, and for good reason. 5.56, and its counterpart .223 Rem, have seen service with militaries, hunters, and recreational shooters for decades.



  • ZEROED Pistol Grip

  • ZEROED Trigger Guard
  • ZEROED 60°/90° Ambi Safety
  • ZEROED AR15 Ambi Charging Handle
  • ZEROED Ambi Mag Catch 
  • ZEROED Extended Mag Release Button
  • ZEROED AR15 Bolt Catch
  • ZEROED Polymer Dust Cover
  • ZEROED Muzzle Brake 5.56mm



  • Caliber: 5.56x45mm
  • Barrel Length: 16.1"
  • Twist Rate: 1-7"
  • Thread Pitch: 1/2x28
  • Gas System: Direct Impingement
  • Weight: 6.4 lbs
  • Length: 32.5”
5.56 NATO
16 inch