Wilson Combat TRBCA Full Auto Bolt Carrier Assembly 5.56 NATO

The Wilson Combat TRBCA Bolt Carrier Assembly delivers enhanced reliability and durability for AR-15 platforms chambered in 5.56x45mm NATO. This full-auto rated bolt carrier assembly features black Parkerized steel construction that exceeds mil-spec standards for demanding applications.

What Makes This Different

The TRBCA incorporates Wilson Combat's precision manufacturing tolerances and enhanced materials compared to standard mil-spec bolt carriers. The full-auto profile provides additional mass for reliable cycling with suppressed firearms and short-barreled rifles. Heat-treated steel construction and proper gas key staking ensure consistent performance through extended firing sessions.

Key Features

• Full-auto bolt carrier profile for enhanced reliability with suppressors and SBRs
• Black Parkerized steel finish provides corrosion resistance and durability
• Properly staked gas key meets military specifications
• Heat-treated bolt and carrier for extended service life
• Compatible with standard AR-15/M16 bolt extension assemblies
• Machined from 8620 steel bar stock for dimensional accuracy
• Includes properly headspaced bolt assembly

This bolt carrier assembly performs reliably across various ammunition types and barrel lengths. The full-auto mass helps maintain consistent cycling pressure with both suppressed and unsuppressed configurations. Law enforcement agencies and competitive shooters rely on Wilson Combat components for their proven track record in high-round-count applications.

Technical Specs

• Caliber: 5.56x45mm NATO/.223 Remington
• Material: 8620 steel with black Parkerized finish
• Profile: Full-auto bolt carrier
• Gas key: Properly staked, Grade 8 screws
• Bolt: Heat-treated with chrome-lined extension
• Compatibility: AR-15/M16 platform rifles
• Country of Origin: United States
• Manufacturer: Wilson Combat

Wilson Combat's reputation for precision manufacturing ensures this bolt carrier assembly meets the exacting standards required for professional and competitive use. The combination of enhanced materials and proven design makes this component a reliable upgrade for any AR-15 platform rifle.