{"product_id":"wilson-combat-low-mass-bolt-carrier-assembly-5-56-nato-polished-nickel-boron-wiltrbcalmpnib","title":"Wilson Combat Low Mass Bolt Carrier Assembly 5.56 NATO Polished Nickel Boron WILTRBCALMPNIB","description":"\u003ch2\u003eWilson Combat Low Mass Bolt Carrier Assembly - 5.56 NATO, Polished Nickel Boron\u003c\/h2\u003e\n\n\u003cp\u003eThe Wilson Combat Low Mass Bolt Carrier Assembly for 5.56 NATO is a precision-engineered component built for shooters who demand performance, reliability, and speed. Machined from aerospace-grade 9310 tool steel and subjected to Magnetic Particle Inspection (MPI), this bolt carrier group delivers superior toughness and consistency shot after shot. The carrier body is constructed from 8620 hardened steel with forward assist cuts, and the gas key is properly staked using Grade 8 fasteners to eliminate the risk of gas leakage or failure under pressure. A polished nickel boron coating covers the entire assembly, providing exceptional lubricity for smoother cycling, easier cleaning, and long-term corrosion resistance. At just 9.08 oz., the low mass design is the ideal choice for sporting and competition AR-15 rifles, offering quicker lock-up times and reduced recoil impulse -- especially when paired with an adjustable gas block. This BCG is a true drop-in fit for any quality 5.56 case-head based AR platform, including .223\/5.56 NATO, .300 Blackout, .204 Ruger, .300 HAMR, and 7.62x40 WT.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerospace-Grade 9310 Tool Steel Bolt:\u003c\/strong\u003e Precision machined and MPI inspected for superior toughness, durability, and consistent performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Mass Design:\u003c\/strong\u003e Weighing just 9.08 oz., this carrier reduces recoil impulse and speeds up lock-up time, making it ideal for competition and sporting applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolished Nickel Boron Coating:\u003c\/strong\u003e Delivers enhanced lubricity, smoother cycling, simple cleanup, and robust corrosion protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProperly Staked Gas Key:\u003c\/strong\u003e Secured with Grade 8 fasteners to prevent gas leakage or failure under pressure, ensuring reliable cycling every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Drop-In Compatibility:\u003c\/strong\u003e Fits any quality 5.56 case-head based AR rifle, including .223\/5.56 NATO, .300 Blackout, .204 Ruger, .300 HAMR, and 7.62x40 WT.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wilson Combat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN):\u003c\/strong\u003e WILTRBCALMPNIB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 810025500726\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .223 REM \/ 5.56 NATO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirearm Type:\u003c\/strong\u003e Rifle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRifle Type:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Material:\u003c\/strong\u003e 8620 Hardened Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Material:\u003c\/strong\u003e 9310 Aerospace-Grade Tool Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished Nickel Boron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.08 oz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 11 in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Profile:\u003c\/strong\u003e Low Mass \/ Semi-Auto\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Key Fasteners:\u003c\/strong\u003e Grade 8, Properly Staked\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Magnetic Particle Inspection (MPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Calibers:\u003c\/strong\u003e .223\/5.56 NATO, .300 Blackout, .204 Ruger, .300 HAMR, 7.62x40 WT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"Wilson Combat","offers":[{"title":"Default Title","offer_id":44199695810682,"sku":"FLX-WILTRBCALMPNIB","price":224.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/308989604.jpg?v=1788369878","url":"https:\/\/tlooutdoors.com\/products\/wilson-combat-low-mass-bolt-carrier-assembly-5-56-nato-polished-nickel-boron-wiltrbcalmpnib","provider":"TLO Outdoors","version":"1.0","type":"link"}