{"product_id":"luth-ar-bt-01-30p-bolt-gas-rings-223-rem-5-56mm-ar-15-30-pack-silver","title":"Luth-AR BT-01-30P Bolt Gas Rings 223 Rem\/5.56mm AR-15 30-Pack Silver","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR BT-01-30P\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003e30-pack of replacement bolt gas rings\u003c\/strong\u003e for \u003cstrong\u003e223 Rem \/ 5.56mm\u003c\/strong\u003e \u003cstrong\u003eAR-15\u003c\/strong\u003e rifles. Gas rings are the split rings that ride on the body of the bolt and seal against the inside of the bolt carrier; they meter how much propellant gas vents during the firing cycle, which is what drives the carrier back to extract, eject, and chamber the next round.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eLuth-AR builds these rings as direct-fit service replacements for worn or damaged factory rings on standard \u003cstrong\u003eAR-15 bolts\u003c\/strong\u003e. The \u003cstrong\u003e30-piece bulk pack\u003c\/strong\u003e gives armorers, gunsmiths, and at-home builders a generous supply for fleet maintenance, bolt rebuilds, and bench stock so a worn set can be swapped out without waiting on a small-parts order. Each ring carries a clean \u003cstrong\u003esilver\u003c\/strong\u003e metallic finish and drops onto any standard AR-15 bolt chambered in \u003cstrong\u003e223 Remington\u003c\/strong\u003e or \u003cstrong\u003e5.56mm\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eNew\u003c\/span\u003e\u003c\/strong\u003e condition, factory-packaged by Luth-AR.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55062066889026,"sku":"186446","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_fe93b9f5-4642-4275-8a33-18e282ff8de0.png?v=1784732850","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-bt-01-30p-bolt-gas-rings-223-rem-5-56mm-ar-15-30-pack-silver","provider":"Centerfire Systems","version":"1.0","type":"link"}