CMMG Mk4 PDW 300 BLK Upper Receiver (CMMG-30B8188)

CMMG Mk4 PDW 300 BLK Upper Receiver (CMMG-30B8188)


CMMG-30B8188

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: AR Uppers


  • 4140 CrMo steel barrel
  • Medium taper profile
  • Forged 7075-T6 receiver
  • Black Finish
Caliber 300 Blackout
Barrel 8.0"”, 1:7 twist, medium taper, 4140CM, SBN
Muzzle A2 comp., threaded 5/8-24
Hand Guard CMMG RKM7 KeyMod hand guard
Receiver Forged 7075-T6 AL M4 type upper
Trigger Single stage mil-spec style trigger
Gas Port Location Pistol
Length (Stock Collapsed), in 25"
Weight (Unloaded), lbs 5.3


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