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Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black
Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black
Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black
Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black
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CMMG - Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black

Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black
Brownells #
430114936
MFR #
30BC40A-AB
UPC
810103473393
$595.38
Coupon Code
Purchase Limit Help

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Standard Shipping Estimated Delivery
Estimated delivery: Sep 17
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Specifications
Color:
Black
Gas Block Diameter:
0.750 Inches
Barrel Length:
16.10
Barrel Contour:
MT
Hand:
Right
Item Weight (lbs):
3.000
Finish:
Cerakote
Item Length (Inches):
25.000
Item Width (Inches):
2.000
Gas System Length:
Mid-Length
Make Model Fit:
AR-15.Universal
Material:
Aluminum
Item Height (Inches):
2.500
Receiver Style:
Assembled
Muzzle Threads:
1/2"x28
Quantity:
1
Twist:
1-7
Restriction
Threaded Barrel Restriction:
Yes
View US State Restrictions
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What is the CMMG - Resolute MK4 300BLK Assembled Upper Rcvr 16.1” BBL Black?

CMMG RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER

Top off your next build with this RESOLUTE® Mk4 Upper Group. Chambered in 300BLK, this upper group is a staple for any collection.

This upper group does NOT include BCG or charging handle.

SPECS

  • Platform: Mk4
  • Caliber: 300BLK
  • Operating System: Direct Impingement
  • Barrel Length: 16.1”
  • Barrel Twist: 1:7
  • Barrel Contour: MT
  • Barrel Material: 4140CM, SBN
  • Muzzle Device: CMMG A2 Flash Hider
  • Muzzle Thread: 1/2 x 28
  • Gas Port Location: Mid
  • Gas Block: Non-Adjustable 0.750”
  • Upper Receiver: Billet 6061 T6 Aluminum
  • Hand Guard: CMMG EML15 M-LOK
  • Finish: Cerakote
  • Weight: 3.6 lbs
  • Length: 25”

Threaded Barrel Restriction: 
Threaded Barrels have restricted shipping to CA.

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RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER REVIEWS

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