{"product_id":"luth-ar-bt-01-3p-bolt-gas-rings-223-5-56mm-silver-ar-15-3-pack","title":"Luth-AR BT-01-3P Bolt Gas Rings .223\/5.56mm Silver AR-15 3 Pack","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR BT-01-3P Bolt Gas Rings\u003c\/span\u003e\u003c\/strong\u003e are a 3-pack of replacement split gas rings sized for the standard \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Remington \/ 5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e AR-15 bolt. Designed to seal the bolt against the carrier key during cycling, these rings keep propellant gases flowing through the gas tube and out the carrier vents while preventing excess carbon blowback into the upper receiver and bolt cavity.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSold as a \u003cstrong\u003e3-pack\u003c\/strong\u003e in a \u003cstrong\u003esilver\u003c\/strong\u003e finish, the BT-01-3P lets you swap in a fresh set of rings during a bolt rebuild or as part of routine bolt maintenance. The rings install in the standard three grooves on any mil-spec or aftermarket \u003cstrong\u003e.223\/5.56mm AR-15 bolt\u003c\/strong\u003e, making them a useful bench-stock or range-bag spare for builders and armorers alike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55101043409218,"sku":"186445","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_a3005612-5723-4314-aaad-bcea7fba85dd.png?v=1784790999","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-bt-01-3p-bolt-gas-rings-223-5-56mm-silver-ar-15-3-pack","provider":"Centerfire Systems","version":"1.0","type":"link"}