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CMMG 5.7x28mm 5" Barrel and BCG Kit - 57DBC33

MPN: 57DBC33  |  UPC: 810097502390

PRODUCT DESCRIPTION

The CMMG Barrel and BCG Kit offers a specialized solution for building AR-platform firearms chambered in 5.7x28mm. Designed for drop-in compatibility, this kit includes a 5-inch barrel and bolt carrier group with a durable black finish. It uses CMMG’s patented Radial Delayed Blowback system, which helps reduce felt recoil compared to traditional blowback designs.

  • 5-inch barrel designed for 5.7x28mm AR builds
  • Radial Delayed Blowback system for softer shooting
  • Compatible with standard AR-15 uppers and Mk57 lowers using conversion magazines

This CMMG kit allows builders to add the popular 5.7x28mm caliber to their AR platform with reliable function and proven design features. Enjoy flexibility and enhanced performance for your next rifle or pistol build.

    This item is not available to ship to the following state(s):
    California | Illinois | Massachusetts | Washington
SPECS
Additional No
SKU ACC-CMMG-57DBC33
Country of Manufacture
License Requirement None
Manufacturer CMMG
Mfg. Part Number 57DBC33
UPC 810097502390
Caliber/Gauge 5.7x28
Action Semi Automatic
Barrel Length 5
Barrel Twist 1:9
Barrel Bore Type No
Barrel Finish Salt Bath Nitride
Barrel Fluting None
Barrel Profile Mid Weight
Mount Type No
Beam Color No
Firearm Fit AR-15
Threaded Barrel Yes
Condition New
Free Shipping No
Weight 1.60 Lbs
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