CMC Triggers BBL556001 7.5\" 5.56 NATO Chrome Moly Vanadium Steel Button Rifled Blacknitride Barrel AR-15.
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CMC Triggers
Overview
The CMC Triggers BBL556001 barrel is a 15-inch, button-rifled barrel designed for the 5.56 NATO caliber, featuring a nitride finish that enhances durability and corrosion resistance. This barrel length is well-suited for both short and mid-length builds, providing a balance of maneuverability and performance. You'll often find this barrel in tactical or lightweight AR-15 setups where precision and reliability are essential.
Specifications
CMC Triggers BBL556001 7.5\" 5.56 NATO Chrome Moly Vanadium Steel Button Rifled Blacknitride Barrel AR-15.
Price and stock
Availability is good for the CMC Triggers BBL556001 7.5\" 5.56 NATO Chrome Moly Vanadium Steel Button Rifled Blacknitride Barrel AR-15.: it was in stock at one retailer or another nearly every day in August 2026, and today 4 of the 6 retailers we track have it in stock. Prices barely moved in August 2026, holding around $162, so there haven't been real sales lately. Buying today, the lowest price is $156.99 at Palmetto State Armory, which matches the best price we saw in August.
Prices checked · refreshed daily across 31 retailers
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