Get More Run and Gun Fun with a 9mm Build

For your next AR pistol, Short Barrel Rifle, or Pistol Caliber Carbine build, get the radial delayed blowback operating system bolt and barrel from CMMG. The CMMG AR-15 9x19mm barrel and bolt carrier kit features a threaded 8" barrel, chambered in 9x19mm NATO and a radial delayed blowback operating bolt carrier. The radial delayed blowback system reduces weight in the BCG and produces less perceived recoil. The 9x19mm NATO barrel and bolt kit is designed to for assembling into an AR-15/Mk4 mil-spec upper receivers with a modified ejection port. The assembled upper is compatible with AR-15 mil-spec lower receivers when using CMMG 9AR conversion magazines, as well as the MkGs Mk17 and Mk9 lowers. Older Mk9 lowers will require a retrofit kit to switch from traditional blowback operation to radial delayed blowback operation.

CMMG AR-15 9x19mm NATO Barrel and Bolt Carrier Kit Specifications and Features:

• Item Number: 99D517A
• 8" Barrel Chambered in 9x19 NATO
• 1:10 Twist
• 1/2x28 Threaded Muzzle
• Contour: MT
• 4140CM Steel
• Radial Delay Blowback Operating Bolt Carrier
• Designed for: AR-15 Mil-Spec Upper Receivers with Modified Ejection Port
• Compatible with Most Mil-Spec AR-15 Lowers with 9AR Conversion Magazines
• Compatible with MkGs Mk17 and Mk9 Lowers
• Older, Traditional Blowback Mk9 Lowers Require Retrofit Kit for Radial Delayed Blowback
• Salt Bath Nitride Finish Black

Note:
All NFA Rules Apply.