- Wilson Combat Bolt Carrier Assembly – 5.56mm, Black Nitride (TR-BCA-SBN-556)
- Complete bolt carrier assembly – Precision-engineered for AR-15/M4 platforms chambered in 5.56mm/.223
- Black nitride finish – Exceptional durability, reduced friction, and superior corrosion resistance
- Carpenter 158 steel bolt – Magnetic particle inspected (MPI) for uncompromising strength and reliability
- M16 profile carrier – Full-auto rated for enhanced mass, smoother cycling, and superior longevity
- Staked gas key – Hardened, properly torqued, and staked for leak-free operation and shooter confidence
- Enhanced extractor spring and ejector – Reliable cycling in adverse conditions; resists wear and breakage
- Drop-in fit – Ready for immediate installation in new builds or rifle upgrades
- Wilson Combat quality – Strict manufacturing standards, trusted by competitive shooters and professionals
- Ideal for tactical, duty, competition, or home defense applications
- Upgrade your AR-15 with Wilson Combat’s top-tier Bolt Carrier Assembly—built for hard use, reliability, and smooth, confident operation.
| MANUFACTURER | WILSON COMBAT |
| CALIBER | 5.56MM |