{"product_id":"rosco-manufacturing-ar-15-bolt-carrier-group-for-5-56-nato-300-blk-phosphate-chrome-lined-ros-bcg-002","title":"Rosco Manufacturing AR-15 Bolt Carrier Group for 5.56 NATO\/300 BLK, Phosphate\/Chrome Lined ROS-BCG-002","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Rosco Manufacturing 5.56 NATO \/ 300 Blackout bolt carrier group (BCG) is built to meet modern AR-15 carbine demands with a durable phosphate-coated finish and chrome-lined gas key and bolt channel for extended service life. Full-auto rated and built to MIL specifications, it features a properly staked gas key and a matched, shot-peened bolt that is magnetic particle inspected (MPI) and high-pressure tested (HPT) for dependable performance under hard use. Each component is selected for strength and longevity, helping deliver consistent cycling and reliable operation.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePhosphate-coated BCG with chrome-lined gas key and bolt channel for enhanced durability\u003c\/li\u003e\n  \u003cli\u003eFull-auto rated, MIL-spec build with properly staked gas key for reliable cycling\u003c\/li\u003e\n  \u003cli\u003eShot-peened, matched bolt that is MPI and HPT tested for proven strength\u003c\/li\u003e\n  \u003cli\u003ePremium steel construction throughout (8620 carrier, C158 bolt, 4130 gas key, 4340 cam pin)\u003c\/li\u003e\n  \u003cli\u003eShips with upgraded Sprinco extractor kit for improved extraction performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rosco Manufacturing\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\u003eCompatibility:\u003c\/strong\u003e 5.56 NATO \/ 300 Blackout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\/Coating:\u003c\/strong\u003e Phosphate coated; chrome-lined gas key and bolt channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Material:\u003c\/strong\u003e 8620 steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Key Material:\u003c\/strong\u003e 4130 steel; Grade 8 hardware; properly staked\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCam Pin Material:\u003c\/strong\u003e Hardened 4340 steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiring Pin:\u003c\/strong\u003e 8740 steel; heat treated; mil-spec; center-less ground; hard chrome plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Material:\u003c\/strong\u003e C158; phosphate coated; MPI\/HPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtractor:\u003c\/strong\u003e 4140 steel; heat treated; shot peened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEjector:\u003c\/strong\u003e S2-S7 tool steel; shot peened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Upgraded Sprinco extractor kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 850039693113\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ROS-BCG-002\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":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":44076936495226,"sku":"FLX-ROS-BCG-002","price":190.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283690346.jpg?v=1767582840","url":"https:\/\/tlooutdoors.com\/products\/rosco-manufacturing-ar-15-bolt-carrier-group-for-5-56-nato-300-blk-phosphate-chrome-lined-ros-bcg-002","provider":"TLO Outdoors","version":"1.0","type":"link"}