CMMG Resolute Mk4 5_56x45mm Nato Upper Group 55BB40B-MB
CMMG

CMMG Resolute Mk4 5.56x45mm Nato 16.1in No BCG or Charging Handle Midnight Bronze Upper Group (55BB40B-MB)

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SKU:
CMMG-55BB40B-MB
UPC:
810103473492
MPN:
55BB40B-MB
  • CMMG Resolute Mk4 5.56x45mm Nato 16.1in No BCG or Charging Handle Midnight Bronze Upper Group (55BB40B-MB)
  • CMMG Resolute Mk4 5.56x45mm Nato 16.1in No BCG or Charging Handle Midnight Bronze Upper Group (55BB40B-MB)
$430.86
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Description

  • 5.56x45mm NATO caliber
  • 16.1" barrel
  • Direct impingement operating system
  • Cmmg EML15 M-lok hand guard
  • 4140CM, SBN barrel material
  • Mid gas port location
  • Not Included BCG
  • Not Included charging handle
  • Cerakote finish
  • Lifetime Quality Guarantee

Make the quick switch to a 5.56mm carbine with this Cmmg Resolute Mk4 5.56x45mm Nato 16.1" No BCG or Charging Handle Upper Group (55BB40B). This upper group does NOT include BCG or charging handle. Available in a variety of Cerakote finishes.

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Warranty Information

Platform Mk4
Caliber 5.56x45mm NATO
Operating System Direct Impingement
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 .750" Non-Adjustable
Upper Receiver Billet 6061 T6 Aluminum
Hand Guard Cmmg EML15 M-Lok
Finish Cerakote
Charging Handle Not Included
Barrel Length, in 16.1"
Length, in 25"
Weight, lbs 3.6
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Additional Information

Activity:
Shooting
Barrel Length:
16.1in
Caliber:
5.56x45mm NATO
Color:
Midnight Bronze
Finish:
Cerakote
Firearm Fit:
Rifles
Model:
Resolute
Product Type:
AR Uppers
Thread Pitch:
1/2x28
Twist Rate:
1:7
Serialized Item:
F
Bestselling:
F
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