{"product_id":"rosco-556nato-300blk-bcg-melonite-bk","title":"Rosco 556nato\/300blk Bcg Melonite Bk","description":"The Rosco Melonited Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one they want to sell you. All Rosco BCGs are to MIL Specification and have a properly staked gas key along with a Melonite coating for extended performance. They also feature a Shot Peened\/ MP tested Matched bolt (with upgraded extractor) which is designed to lock up perfectly with their extensions for extreme accuracy. These BCGs are made to withstand Full-Auto rated fire and unforgiving use from the end user.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e :\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eCarrier Material: 8620 Steel\u003c\/li\u003e\n\u003cli\u003eGas Key: 4130 Steel, attached with Grade 8 hardware, properly staked\u003c\/li\u003e\n\u003cli\u003eCam Pin: Hardened 4340\u003c\/li\u003e\n\u003cli\u003eFiring Pin: 8740 Steel, Mil-Spec, Center-less ground \u0026amp; Hard Chrome coated Bolt Material: 9310, Properly Heat treated, MPI\/HPT\u003c\/li\u003e\n\u003cli\u003eExtractor: 4340 Steel\u003c\/li\u003e\n\u003cli\u003eEjector: S7 Tool Steel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":50550756311271,"sku":"RPLROS-BCG-001","price":184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/4645\/6744\/files\/172533035.jpg?v=1732845854","url":"https:\/\/www.txfowlers.com\/products\/rosco-556nato-300blk-bcg-melonite-bk","provider":"Texas Fowlers","version":"1.0","type":"link"}