{"product_id":"ar-15-mil-spec-bolt-carrier-group-acc0150","title":"AR-15 Mil-Spec Bolt Carrier Group","description":"\u003ch1\u003eAR-15 Mil-Spec Bolt Carrier Group\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCarrier fits AR15\/M4 compatible style Rifles (i.e.) .223\/5.56mm, .300Blkout, 6.8SPC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Case Hardened 8620 Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e: Black Nitride. This advanced low friction coating minimizes the need for lubricants.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eGas Key\u003c\/strong\u003e: 4130 Steel attached with Grade 8 hardware and properly staked into a milled valley to ensure proper positioning.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCam Pin\u003c\/strong\u003e: Hardened 4340 cam pin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eFiring Pin\u003c\/strong\u003e: Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eBolt Assembly\u003c\/strong\u003e: The Bolt is true Mil Spec dimension and external surfaces are CNC ground after heat treat for a precision fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Case Hardened 9310 Steel. Carpenter 158 is available for an additional charge.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride Extractor: 4340 Steel, Manganese Phosphate coated o Mil Spec Extractor Spring \u0026amp; O-Ring Combination\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eMPI\u003c\/strong\u003e: Magnetic Particle Inspected\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eHPT\u003c\/strong\u003e: High Pressure Test\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMade in USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"USA","offers":[{"title":"Default Title","offer_id":52668783853890,"sku":"ACC0150","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__94061.1697569087.1280.1280.jpg?v=1774274459","url":"https:\/\/centerfiresystems.com\/products\/ar-15-mil-spec-bolt-carrier-group-acc0150","provider":"Centerfire Systems","version":"1.0","type":"link"}