{"product_id":"lantac-556-enhanced-bcg-nickel-boron","title":"LanTac 556 Enhanced BCG Nickel Boron – AR-15\/M16","description":"\u003cp\u003eThe LanTac 556 Enhanced BCG replaces your factory AR-15 bolt carrier group with a precision-machined assembly designed for smoother cycling and easier maintenance. The nickel boron coating reduces friction and carbon buildup compared to standard phosphate or nitride finishes, making post-range cleanup faster while extending service intervals. This BCG addresses the wear points and friction issues common in high-volume shooting.\u003c\/p\u003e\u003cp\u003eMachined from 8620 steel with a 9310 steel bolt, the entire assembly receives a nickel boron finish that's self-lubricating and corrosion-resistant. Installation is drop-in—no fitting or gunsmithing required. Simply remove your existing BCG and install this unit following standard AR-15 assembly procedures. Compatible with standard AR-15 and M16 pattern rifles chambered in 5.56 NATO\/.223 Remington.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M16 (5.56 NATO\/.223 Remington)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Material:\u003c\/strong\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Material:\u003c\/strong\u003e 9310 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Nickel Boron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Complete bolt carrier group assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LanTac USA LLC","offers":[{"title":"Default Title","offer_id":47943841612031,"sku":"LANE-BCG","price":261.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1271893.jpg?v=1766603379","url":"https:\/\/doublestackstore.com\/products\/lantac-556-enhanced-bcg-nickel-boron","provider":"Double Stack Store","version":"1.0","type":"link"}