Wilson Combat AR-15 5.56 NATO Nickel Boron Bolt Carrier Assembly

**NOTE** These BCG's are EXTREMELY tight toleranced, and will require break in before flawless functionality." ALL SALES ARE FINALEngineered for exceptional durability and smooth performance, the Wilson Combat AR-15 Nickel Boron Bolt Carrier Assembly is designed to withstand high-stress environments while ensuring reliable cycling in your rifle. Crafted from aerospace-grade materials and subjected to rigorous quality control, this BCG (Bolt Carrier Group) delivers the same battle-proven performance found in Wilson's fully-built rifles. Key Features: Nickel Boron Coating - Corrosion-resistant, enhances lubricity, and ensures smoother cycling. 9310 Tool Steel Bolt - Provides exceptional strength and durability. Magnetic Particle Inspection (MPI) - Ensures flawless performance and structural integrity. 8620 Hardened Steel Carrier - Precision-machined with forward assist cuts for full compatibility. Properly Staked Gas Key - Utilizes Grade 8 fasteners to prevent gas leakage or failure under pressure. Drop-In Fit - Compatible with all 5.56 case head-based AR platforms, including: .223/5.56 NATO .300 Blackout .204 Ruger 300 HAM'R 7.62x40 WT Uncompromising Performance & Reliability Built to Wilson Combat's exacting standards, this nickel boron bolt carrier group ensures flawless function in high-volume shooting, competition, or duty use. Upgrade your AR-15 with a premium BCG trusted by serious shooters for superior performance in any condition.