Enhance your AR-15 platform with the CMMG 16.1" 5.7x28mm Barrel and Bolt Carrier Group Kit. This precision-engineered kit is designed to deliver exceptional performance and reliability for the high-velocity 5.7x28mm cartridge. The barrel is crafted from 4140CM steel with a Salt Bath Nitride (SBN) finish for superior durability and corrosion resistance. The included bolt carrier group is specifically designed to work with the 5.7x28mm cartridge, ensuring smooth cycling and reliable operation. This kit is perfect for those looking to build a unique, flat-shooting AR-15 variant in 5.7x28mm.
Features and Specifications:
Caliber: 5.7x28mm
Barrel Length: 16.1"
Barrel Material: 4140CM Steel
Barrel Finish: Salt Bath Nitride (SBN)
Twist Rate: 1:9" (estimated)
Muzzle Thread: 1/2 x 28 (estimated)
Gas System: Rifle-length (estimated)
Bolt Carrier Group: Included, designed for 5.7x28mm
Compatible with mil-spec AR-15 upper receivers
Designed for use with CMMG's 5.7x28mm magazines or conversions
Includes: 16.1" barrel and 5.7x28mm bolt carrier group
