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CMMG 5.56mm Non-Threaded Barrel 55DF40B Color: Black, Finish: Anodized, Caliber: 5.56mm, 13% Off w/ Free Shipping

Color:
Black
Finish:
Anodized
Barrel Length:
16.1 in
Barrel Material:
4140 Chrome Moly Vanadium
Gun Make:
CMMG
Gun Model:
CMMG Mk4
Threads per Inch:
Non Threaded

Code: 2CM-A0B-ARURCJH2-55DF40B

MPN: 55DF40B

UPC: 840442501686

List: $224.95Save 14%
$193.99

Product Info for CMMG 5.56mm Non-Threaded Barrel

The CMMG 16.1" Empire Profile barrel sub-assembly is engineered for 5.56mm, featuring a medium-taper design crafted from 4140 Chrome-Moly steel with a durable Salt Bath Nitride (SBN) finish. The barrel incorporates an unthreaded muzzle with a recessed target crown. This configuration was specifically developed to provide a reliable option for areas with specific firearm regulations while maintaining CMMG's standards for accuracy and durability.image

WARNING: California`s Proposition 65

Specifications for CMMG 5.56mm Non-Threaded Barrel:

Manufacturer: CMMG
Color: Black
Finish: Anodized
Caliber: 5.56mm
Barrel Length: 16.1 in
Barrel Material: 4140 Chrome Moly Vanadium
Gun Make: CMMG
Gun Model: CMMG Mk4
Threads per Inch: Non Threaded

Features of CMMG 5.56mm Non-Threaded Barrel

  • 16.1" barrel length
  • 5.56mm chambering
  • 4140CM steel construction
  • Salt Bath Nitride finish
  • Unthreaded muzzle design
  • Recessed target crown
  • Medium taper Empire Profile

Package Contents:

  • CMMG 5.56mm Non-Threaded Barrel

What firearm models does the manufacturer say CMMG 5.56mm Non-Threaded Barrel is compatible with?

The manufacturer says that CMMG 5.56mm Non-Threaded Barrel is compatible with CMMG Mk4

CMMG 5.56mm Non-Threaded Barrel Orderable Models

List of Orderable Models

  • CMMG 5.56mm Non-Threaded Barrel, 16.1in, Empire Profile, 55D, 4140CM SBN, Sub-Assm, Black, 55DF40B , MPN: 55DF40B , UPC: 840442501686 , Code: 2CM-A0B-ARURCJH2-55DF40B
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Last updated 2026-06-28 UTC.