CMC Triggers AR Barrel 5.56 NATO 10.50″ Black Nitride

This CMC Triggers BBL556002 AR barrel is a compact, purpose-built option for AR-15 platform builds requiring a short, robust barrel. It is chambered for 5.56 NATO and measures 10.50 inches, making it suitable for compact carbines and short-barrel configurations where maneuverability is a priority. The barrel uses button rifling and a 1:7 twist rate to stabilize a range of common 5.56 projectiles. Finish and material choices prioritize durability and corrosion resistance for regular use.

Key Specifications

• Chambering is 5.56 NATO.
• The barrel length is 10.50 inches.
• The finish is Black Nitride.
• Material is Chrome Moly Vanadium Steel.
• The rate of twist is 1:7.
• The rifling type is Button Rifled.
• The model designation is AR Barrel.
• The part number is BBL556002.
• Compatible with AR-15 platform receivers.

Built for compact AR-15 builds where balance, repeatable accuracy, and long-term durability matter, this barrel pairs modern materials with proven rifling. Its short profile and corrosion-resistant finish make it a practical choice for users assembling a reliable, maneuverable carbine or compact sporting rifle without sacrificing the performance needed for consistent shot placement.