{"product_id":"spikes-tactical-nickel-boron-5-56-223-ar-15-m16-bolt-carrier-group-carpenter-158-bolt-st5bg03","title":"Spike's Tactical Nickel Boron 5.56\/.223 AR-15\/M16 Bolt Carrier Group, Carpenter 158 Bolt ST5BG03","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Spike's Tactical Bolt Carrier Group (BCG) is a critical upgrade or replacement component for AR-platform rifles, featuring a Nickel Boron (NiB) coating applied inside and out on the bolt, carrier, and gas key for enhanced lubricity and easier cleaning. Built from proven materials and manufactured to MIL-SPEC-style expectations, this BCG is designed for dependable cycling and long-term durability, and is finished with a laser-engraved ST spider logo for a distinct, authentic look.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel Boron coating inside and out (bolt, carrier, and gas key) for smooth operation and simplified maintenance\u003c\/li\u003e\n  \u003cli\u003eMachined carrier and bolt construction using 8620 tool steel (carrier) and Carpenter 158 steel (bolt)\u003c\/li\u003e\n  \u003cli\u003eShrouded firing pin and properly staked, forged MIL-SPEC gas key with Grade 8 hardware\u003c\/li\u003e\n  \u003cli\u003eQuality control features include High Pressure Testing (HPT) and Magnetic Particle Inspection (MPI) on the bolt\u003c\/li\u003e\n  \u003cli\u003eLaser-engraved with the Spike's Tactical ST spider logo for quick identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Spike's Tactical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Bolt Carrier Group (BCG)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber Compatibility:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington \/ .300 AAC Blackout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\/Coating:\u003c\/strong\u003e Nickel Boron (NiB), coated inside and out (bolt, carrier, gas key)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Material:\u003c\/strong\u003e 8620 tool steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Material:\u003c\/strong\u003e Carpenter 158 steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Style:\u003c\/strong\u003e M16 \/ Full-Auto\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Key:\u003c\/strong\u003e Forged MIL-SPEC, Grade 8 hardware, properly staked\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Bolt is HPT and MPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarking:\u003c\/strong\u003e Laser engraved ST spider logo\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ST5BG03\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 855319005501\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\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\/i\u003e\u003c\/p\u003e","brand":"Spike's Tactical","offers":[{"title":"Default Title","offer_id":44076966838394,"sku":"FLX-SPKST5BG03","price":207.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283690725.jpg?v=1767586200","url":"https:\/\/tlooutdoors.com\/products\/spikes-tactical-nickel-boron-5-56-223-ar-15-m16-bolt-carrier-group-carpenter-158-bolt-st5bg03","provider":"TLO Outdoors","version":"1.0","type":"link"}