Product detail
CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 8" Barrel Black
SKU: CA57D88C3
$435.59
About CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 8" Barrel Black
The kit is engineered to fit into Mk4 or mil-spec AR15 upper receivers and is compatible with CMMG Mk57 lowers or standard Mk4/AR15 mil-spec lowers when paired with CMMG 5.7 AR Conversion Magazines. This modular design allows for flexible assembly options across compatible platforms.
Features
- 8" barrel length chambered in 5.7x28mm
- Radial Delayed Blowback system reduces recoil and BCG weight
- Last round bolt hold open functionality
- Drop-in barrel and bolt carrier group kit
- Black finish
Specifications
- Brand: CMMG
- Model Number (MPN): 57D88C3
- UPC: 810097502406
- Caliber: 5.7x28FN
- Color: Black
- Barrel Length: 8 inches
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Frequently asked questions
FAQ
Blvista ships the Cmmg Inc CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel to U.S. addresses for a flat $11.95, set by its shipping category.
Yes. Blvista accepts unused, unopened returns of the Cmmg Inc CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel within 30 days by mail. A 30% restocking fee applies and return shipping is paid by you; original shipping is non-refundable. See the Blvista return policy for full details.
The Cmmg Inc CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel is currently out of stock at Blvista. Sign up for the back-in-stock alert on this page to be notified when it returns.
The Cmmg Inc CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel is made by Cmmg Inc (MPN 57D88C3, UPC 810097502406).
Caliber: 5.7x28FN.
Every Cmmg Inc CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel sold by Blvista is brand-new and factory-sealed, never used or refurbished.