Product Description
Build or upgrade your AR-platform 9mm with this CMMG barrel and bolt carrier group (BCG) kit, engineered around CMMG’s Radial Delayed Blowback (RDB) operating system for smoother function and reduced felt recoil compared to traditional straight blowback setups. The 16.1-inch barrel is manufactured from durable 4140 chromoly steel and finished in a salt bath nitride treatment for enhanced wear and corrosion resistance. Designed for precise fit and long-term reliability, this kit is an excellent choice for a dependable pistol-caliber carbine or rifle build.
Product Highlights
- CMMG 9mm barrel and BCG kit for AR-platform builds using Radial Delayed Blowback (RDB)
- 16.1-inch barrel length for carbine/rifle configurations and improved velocity potential
- 4140 chromoly steel barrel construction for strength and service life
- Salt bath nitride finish for durability and corrosion resistance
- Threaded muzzle with 1/2x28 pattern for common 9mm muzzle devices
Specs
- Brand: CMMG
- Product Type: Barrel & Bolt Carrier Group (BCG) Kit
- Caliber: 9mm
- Barrel Length: 16.1 in
- Operating System: Radial Delayed Blowback (RDB)
- Barrel Material: 4140 Chromoly Steel (4140 CM)
- Finish: Salt Bath Nitride
- Twist Rate: 1:10
- Muzzle Threads: 1/2x28
- Includes: Bolt Carrier Group
- Manufacturer Part Number: 99DE642
- UPC: 815835019819
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