CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A
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CMMG
Overview
The CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly is designed with a classic M4 profile, providing a balance of weight and performance for your AR-15 build. Chambered in 5.56 NATO, this barrel offers versatility for a range of ammunition types, while the Salt Bath Nitride finish enhances durability and corrosion resistance. This barrel is commonly found in builds aimed at general-purpose use, striking a good balance between maneuverability and accuracy.
Specifications
CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A
Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A to a build in March 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 5 of the 6 retailers we track have it in stock. The best price drifted down from $176.99 to $161.99 over September 2026 without a real sale. Buying today, the lowest price is $176.99 at Ammunition Depot, above September's low of $161.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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