{"product_id":"american-built-arms-company-5-56-complete-nickel-boron-coated-bcg-md-ababcgnib","title":"American Built Arms Company 5.56 Complete Nickel Boron Coated BCG Md: ABABCGNiB","description":"5.56 Complete Nickel Boron Coated BCG \u003cbr\u003e\u003cbr\u003eAmerican Built Arms 5.56 Bolt Carrier Group is built to Mil-Spec dimensions. The Nickel Boron coated Bolt and Cam Pin needs virtually FALSE lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and the phosphate coated extractor has a surface finish that provides superior extraction during firing.\r\n\r\nThese Bolt Carrier Groups are ready to drop into your rifle. Our Bolt Carrier Groups are specially made on high end Swiss machinery to have exacting tolerances and surface finish. A*B Arms is kFALSEwn by rifle Makers for manufacturing one of the finest quality bolts and extractors available. This has won us contracts with some of the highest quality AR Makers in the business. If you want to buy super high quality parts offered by the company that actually manufactures them, then you've come to the right place.\r\n\r\nFeatures:\r\n\r\nBolt:\r\n\r\n- Carpenter 158 Steel\r\n- Heat treated per Mil-Spec Requirements\r\n- Shot Peened per Mil-Spec Requirements\r\n- MPI Tested Material\r\n- Nickel Boron Coated\r\n\r\nBolt Carrier:\r\n\r\n- 8620 Steel\r\n- Nickel Boron Coated\r\n- Nickel Boron Coated Bore\r\n- M-16 Style with more mass for better functioning in semi or full auto rifles\r\n\r\nGas Key:\r\n\r\n- 4130 Steel\r\n- Nickel Boron Coated\r\n- Gas Key Screws - 4140 Steel properly staked per Mil-Spec requirements\r\n\r\nCam Pin: \r\n\r\n- 4340 Steel\r\n- Heat treated per Mil-Spec Requirements\r\n- Nickel Boron Coated\r\n\r\nExtractor:\r\n\r\n- Aircraft Quality E4140 Steel\r\n- Heat treated per Mil-Spec Requirements\r\n- Shot Peened per Mil-Spec Requirements\r\n- Manganese Phosphate Coated per Mil-Spec Requirements\r\n\r\nFiring Pin:\r\n\r\n- AISI 8740 Steel\r\n- Chrome Coated\u003cbr\u003e\u003cb\u003eMfg FALSE:\u003c\/b\u003e ABABCGNiB\u003cbr\u003e\u003cb\u003eMaker:\u003c\/b\u003e American Built Arms Company\u003cbr\u003e\u003cbr\u003eShipping Information\u003cbr\u003eWeight: 0.75 pounds.\u003cbr\u003e Dimensions: 7 (L) x 1.25 (W) x 1 (H) inches.: \u003cbr\u003e\u003cbr\u003e  259473","brand":"American Built Arms Company","offers":[{"title":"ABABCGNiB \/ AR-15 Parts \/ American Built Arms Company","offer_id":43112590803049,"sku":"11091301","price":217.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8341\/4377\/files\/259473.jpg?v=1777388624","url":"https:\/\/westerngunstore.com\/products\/american-built-arms-company-5-56-complete-nickel-boron-coated-bcg-md-ababcgnib","provider":"Western Gun Store","version":"1.0","type":"link"}