Upgrade your AR-15 platform with the CMMG 8" 9mm Radial Delayed Blowback (RDB) Barrel and Bolt Kit. This precision-engineered kit is designed to deliver exceptional performance and reliability in compact 9mm builds. The barrel is crafted from 4140CM steel with a Salt Bath Nitride (SBN) finish for superior durability and corrosion resistance. The included RDB bolt is specifically designed to work with CMMG's innovative Radial Delayed Blowback system, providing smoother cycling and reduced felt recoil compared to traditional blowback systems. This kit offers a balance between compactness and performance, making it ideal for those looking to build a versatile 9mm AR-15 variant.
Features and Specifications:
Caliber: 9mm
Barrel Length: 8"
Barrel Material: 4140CM Steel
Barrel Finish: Salt Bath Nitride (Black)
Barrel Contour: Medium Taper (MT)
Twist Rate: 1:10"
Muzzle Thread: 1/2 x 28
Operating System: Radial Delayed Blowback
Bolt: CMMG Radial Delayed Blowback bolt included
Weight: 1.7 lbs
Compatible with mil-spec AR-15 upper receivers (modified ejection port recommended)
Designed for use with CMMG's RDB system and 9mm AR Conversion magazines
