CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A
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CMMG
Overview
The CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly is designed for reliable performance in a variety of AR-15 builds, featuring a carbine-length gas system that enhances cycling efficiency. With a 1:9 twist rate, this barrel accommodates a range of bullet weights, making it versatile for different shooting applications. Commonly found in mid-range and tactical builds, this barrel provides a solid foundation for a dependable firearm.
Specifications
CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A
Available Merchants(8)
Prices checked
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Build history on GunPartPicker
Builders have been adding the CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A to their builds on GunPartPicker since May 2026. All time, it ranks #191 of the 831 barrels builders have added.
It was in stock most days in September 2026, and today 5 of the 8 retailers we track have it in stock. Prices barely moved in September 2026, holding around $112.49, so there haven't been real sales lately. Buying today, the lowest price is $176.99 at Ammunition Depot, above September's low of $112.49, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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