CMMG Mk4 LE 5.56mm Semi-Automatic Rifle (55AE160)

CMMG Mk4 LE 5.56mm Semi-Automatic Rifle (55AE160)


CMMG-55AE160

How To Buy A Firearm

We will price match any currently priced, in stock item. In some rare instances we may not be able to match a price but will do all that we can to give you the best deal possible. (We cannot match the price if it is under our cost) Please call store at 1.800.486.7497 to check availability for immediate pickup. Please review the Terms and Conditions HERE.

Type: Rifles


  • Mk4LE is available in 5.56x45mm, 300 AAC BLK, 9mm Luger and 22LR
  • They all feature a nitrided 16.1? 4140 CrMo steel barrel in a M4 profile 
  • The standard configuration includes a “F” marked front sight base and a MBUS rear sight
  Caliber     5.56mm  
  Barrel     16" M4 profile, 4140 CrMo, SBN Finish  
  Muzzle     A2 comp., threaded 1/2-28  
  Hand Guard     M4 type 2-piece hand guards  
  Furniture     A2 pistol grip, M4 butt stock with 6-pos mil-spec receiver extension  
  Receivers     Forged 7075-T6 AL M4 type upper, AR15 type lower  
  Trigger     Single stage mil-spec style trigger  
  Gas Port Location     Carbine  
  Length, in     32" (stock collapsed)  
  Weight, lbs     6.2 (unloaded)  


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