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Q AR-15 TWO PIECE BCG
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CMMG Polymer Ejection Port Cover Kit for AR-15 Platforms
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CMMG Ambi-Magazine Catch for AR-15
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CMMG Zeroed AR 15 Drop-In Trigger
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Description
CMMG 57DBC33 Barrel/BCG Kit 5.7x28mm 5" Black Chrome Moly Steel
The CMMG 57DBC33 Barrel and BCG Kit is designed for building a 5.7x28mm AR-15 using CMMG's innovative Radial Delayed Blowback operating system. This system reduces weight in the bolt carrier group and minimizes felt recoil compared to traditional direct blowback mechanisms, providing a smoother shooting experience. The kit includes a 5-inch barrel and bolt carrier group compatible with mil-spec AR-15 upper receivers and can be used with CMMG Mk57 or standard Mk4/AR-15 lower receivers when paired with CMMG 5.7 AR Conversion Magazines.
Constructed for reliability and performance, this kit is ideal for enthusiasts seeking to customize their AR-15 platform for 5.7x28mm caliber. The 5-inch length offers a compact profile suitable for various applications, including tactical and recreational shooting. Designed with precision and quality, the components ensure proper fit and function, making assembly straightforward for experienced builders or gunsmiths.
Upgrade your AR-15 with the CMMG 57DBC33 Barrel and BCG Kit to enjoy enhanced handling, reduced recoil, and the versatility of 5.7x28mm caliber. Whether for target shooting, personal defense, or tactical use, this kit delivers the performance and reliability expected from CMMG products.
Important Firearm Purchasing Information
FFL Transfer Required: All firearms and FFL-regulated items must be shipped to a current and valid Federal Firearms License (FFL) holder. The customer is responsible for providing a valid FFL shipping destination and ensuring compliance with all federal, state, and local laws. More details are available at checkout.
Features:
- Radial Delayed Blowback operating system reduces weight and felt recoil
- Includes 5-inch barrel and bolt carrier group for AR-15 platform
- Compatible with mil-spec AR-15 upper receivers and CMMG Mk57 lower
- Designed for 5.7x28mm caliber with reliable performance
- Constructed for easy assembly and durability