CMMG 16.1" Barrel and Bolt Carrier Group Kit 5.7x28mm – AR-15 Platform

This CMMG conversion kit enables you to run 5.7x28mm ammunition through an AR-15 platform.

• Type: Barrel and BCG Conversion Kit
• Caliber: 5.7x28mm
• Barrel Length: 16.1 inches
• Gas System: Carbine-length
• Compatible Platform: AR-15 upper receivers
• Includes: Barrel and bolt carrier group