{"product_id":"shaw-barrels-ar-15-6mm-arc-18-hbar-416r-stainless-barrel-5-8x24","title":"Shaw Barrels AR-15 6mm ARC 18\" HBar 416R Stainless Barrel - 5\/8x24","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eShaw Barrels AR-15 6mm ARC 18\" HBar\u003c\/span\u003e\u003c\/strong\u003e is a premium drop-in replacement barrel built around the efficient \u003cstrong\u003e6mm ARC\u003c\/strong\u003e (Advanced Rifle Cartridge) chambering. Machined from \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e with a non-reflective \u003cstrong\u003ematte finish\u003c\/strong\u003e, this barrel is engineered to deliver the long-range accuracy that 6mm ARC was designed for while standing up to repeated fire on the AR-15 platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel features a heavy-duty \u003cstrong\u003eHBar (Heavy Barrel) contour\u003c\/strong\u003e that resists point-of-impact shift during extended strings of fire, making it a strong fit for precision-leaning 6mm ARC builds. A \u003cstrong\u003e1:7.5\" twist rate\u003c\/strong\u003e with \u003cstrong\u003e6-groove rifling\u003c\/strong\u003e provides the rotational velocity needed to stabilize modern long, high-BC 6mm projectiles, while the \u003cstrong\u003e18\" length\u003c\/strong\u003e offers a balanced compromise between velocity, weight, and handling for general-purpose AR-15 use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThreading comes in at \u003cstrong\u003e5\/8x24\u003c\/strong\u003e, the standard pitch for 6mm ARC and other modern AR-15 cartridges, ready to accept a wide range of muzzle devices and suppressors. Like the rest of Shaw's 6mm ARC lineup, this barrel is crafted by Shaw's experienced barrel makers from quality \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shaw Barrels","offers":[{"title":"Default Title","offer_id":55765044887874,"sku":"201284","price":212.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_3a141310-89a9-43b8-8baa-687e3d1c0567.png?v=1785946893","url":"https:\/\/centerfiresystems.com\/products\/shaw-barrels-ar-15-6mm-arc-18-hbar-416r-stainless-barrel-5-8x24","provider":"Centerfire Systems","version":"1.0","type":"link"}