Product Overview
SKU: CMMG57DBC33
Unlock the potential of your next AR pistol or Short-Barreled Rifle (SBR) build with this exceptional 5" 5.7x28mm Barrel and BCG Kit. Engineered to leverage CMMG's groundbreaking Radial Delayed Blowback operating system, this kit offers a superior shooting experience. Experience a significant reduction in BCG weight compared to traditional direct blowback systems, translating into noticeably less felt recoil. Enjoy the critical functionality of last round bolt hold open, ensuring a smooth and efficient shooting process.
This 5.7x28mm Barrel and Bolt Kit is meticulously designed for seamless integration into a standard Mk4/mil-spec AR15 upper receiver. It is compatible with either a CMMG Mk57 lower receiver or a standard Mk4/AR15 mil-spec lower receiver when utilizing CMMG 5.7 AR Conversion Magazines. Elevate your tactical build with this high-performance component.
- 5" 5.7x28mm Barrel
- 5.7x28mm Bolt Carrier Group (BCG)
- Durable Black Finish
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