CMMG 5.7x28mm 8in Barrel and BCG Kit 4140CM SBN
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Specifications
Material 4140CM steel barrel with SBN (Salt Bath Nitride) finish
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
CMMG’s 5.7x28mm 8-inch barrel and BCG kit is built for AR-15 style platforms and uses 4140CM steel with an SBN (Salt Bath Nitride) finish for durable performance. This combination pairs the barrel with the matching bolt carrier group for a straightforward 5.7x28mm build or upgrade.
Key Features
- 8-inch 5.7x28mm barrel for compact AR-style configurations
- 4140CM barrel steel with SBN Salt Bath Nitride finish
- Kit includes both the barrel and the matching BCG for 5.7x28mm builds
- Designed for AR-15 parts compatibility, simplifying sourcing the correct components
Upgrade or build your 5.7x28mm AR with CMMG’s matched barrel and BCG kit for a tuned, purpose-built setup.
0 Reviews
- SKU:
- 57D88C3
- UPC:
- 810097502406
- BUDS ID:
- 184853
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
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| Material | 4140CM steel barrel with SBN (Salt Bath Nitride) finish | 9310 Tool Steel Bolt with MIL-SPEC 8620 Steel Carrier and 4140 Steel Components | QPQ salt bath nitrided components (bolt 9310 tool steel, extractor S7 tool steel, carrier MIL-SPEC 8620 steel, gas key 4140 steel, cam pin 4140 steel) | Steel bolt and carrier with black nitride finish | Carpenter 158 steel bolt with steel carrier, nitrided black finish |
| Weight (lbs) | N/A | N/A | 0.4 | 0.56 | 0.6 |
| Actions | Current Item |
