{"product_id":"odin-works-ar15-223-5-56-black-nitride-bcg-md-aac-223-bcg","title":"Odin Works Ar15 223\/5.56 Black Nitride Bcg Md: Aac-.223-bcg","description":"\u003cb\u003eOdin Works AR15 223\/5.56 Black Nitride BCG Md: AAC-.223-BCG\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eBolt Carrier Group fits AR15\/M4 compatible style Rifles (i.e.) .223\/5.56mm, .300 Blackout.\r\n\r\nSpecifications:\r\n\r\n- True Mil-Spec Bolt Carrier Group\r\n- Material: Case Hardened 8620 Steel\r\n- Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants.\r\n- Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled \"valley\" to ensure proper positioning.\r\n- Cam Pin: Hardened 4340 cam pin\r\n- Firing Pin: Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated\r\n- Bolt Assembly: The Bolt is \"true\" Mil Spec dimension and external surfaces are CNC ground after heat treat for a precision fit.\r\n- Bolt Material: Case Hardened 9310 Steel.\r\n- Finish: All Bolt components Black Nitride\r\n- Extractor: 4340 Steel , Manganese Phosphate coated\r\n- Mil Spec Extractor Spring \u0026amp; O-Ring Combination\r\n- MPI: Magnetic Particle Inspected\r\n- HPT: High Pressure Test\r\n- Carrier fits AR15\/M4 compatible style Rifles (i.e.) .223\/5.56mm, .300 Blackout","brand":"Odin Works","offers":[{"title":"AAC-.223-BCG \/ AR-15 Parts \/ Odin Works","offer_id":43112827945065,"sku":"11196975","price":162.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8341\/4377\/files\/290996.jpg?v=1777389634","url":"https:\/\/westerngunstore.com\/products\/odin-works-ar15-223-5-56-black-nitride-bcg-md-aac-223-bcg","provider":"Western Gun Store","version":"1.0","type":"link"}