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Upper Group Resolute for 5.7x28mm, 16.1 inch barrel. Includes bolt carrier group and ZEROED accessories including ZEROED AR15 Polymer Dust Cover, ZEROED AR15 Ambi Charging Handle, ZEROED Muzzle Brake. Radial Delayed Blowback Operating System. Lifetime Quality Guarantee. Available in Cerakote finishes.
Specifications:
- Platform: Mk4, Mk57
- Caliber: 5.7x28mm
- Operating System: Radial Delayed Blowback
- Barrel Length: 16.1"
- Barrel Twist: 1:9
- Barrel Contour: MT
- Barrel Material: 4140CM, SBN
- Muzzle Device: ZEROED Muzzle Brake
- Muzzle Thread: 1/2 x 28
- Gas Port Location: N/A
- Gas Block: N/A
- Upper Receiver: Billet 6061 T6 Aluminum
- Hand Guard: CMMG EML15 M-LOK
- Finish: Cerakote Standard
- Charging Handle: ZEROED Ambi
- Weight: 4.0 lbs
- Length: 25.3"
Specifications
- Manufacturer:
- CMMG
- Category:
- upper-receiver
- Platforms:
- AR-15
- Weight:
- 64 oz (4.00 lbs)
- Length:
- 16.1"
- MPN:
- 57B40E4
- Required Component:
- Yes
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