{"product_id":"bcm-lgb750-low-profile-750-black-phosphate-gas-block","title":"BCM LGB750 Low-Profile .750\" Black Phosphate Gas Block","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eBCM LGB750 Low-Profile Gas Block\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003emil-spec\u003c\/strong\u003e replacement gas block designed for the \u003cstrong\u003eAR-15 \/ M16 \/ M4 \/ M4A1\u003c\/strong\u003e platform. Machined from \u003cstrong\u003esteel\u003c\/strong\u003e and finished in \u003cstrong\u003eblack phosphate\u003c\/strong\u003e, this low-profile block clamps onto \u003cstrong\u003e.750\" diameter\u003c\/strong\u003e barrel journals and secures with set screws for a reliable, no-shift installation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt to \u003cstrong\u003eUSGI tolerances\u003c\/strong\u003e on all internal dimensions, the bore is honed after finishing to meet the original \u003cstrong\u003eTechnical Data Package (TDP)\u003c\/strong\u003e spec, ensuring consistent gas flow and reliable cycling. The low-profile design keeps the block tucked close to the barrel, making it a clean fit under modern handguards and rail systems, and an ideal drop-in for custom builds or replacement of worn or out-of-spec factory gas blocks.\u003c\/span\u003e\u003c\/p\u003e","brand":"BCM","offers":[{"title":"Default Title","offer_id":54996723335490,"sku":"118598","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_74dc5c87-bba5-4e56-a44a-ebca679019ec.png?v=1784330269","url":"https:\/\/centerfiresystems.com\/products\/bcm-lgb750-low-profile-750-black-phosphate-gas-block","provider":"Centerfire Systems","version":"1.0","type":"link"}