{"product_id":"rearden-fhd-375-cal-5-8x24-square-shoulder-flash-hider-heat-treated-plan-b-compatible","title":"Rearden FHD .375 Cal 5\/8x24 Square Shoulder Flash Hider - Heat Treated - Plan B Compatible","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eRearden FHD\u003c\/span\u003e\u003c\/strong\u003e is a 3-prong flash hider CNC machined from \u003cstrong\u003e17-4 PH stainless steel\u003c\/strong\u003e and finished to a \u003cstrong\u003e67 HRC surface hardness\u003c\/strong\u003e for outstanding durability under hard use. Designed around the proven \u003cstrong\u003ePlan B\u003c\/strong\u003e mounting interface, this suppressor-ready muzzle device reduces blast and flash signature while doubling as a rock-solid mount for compatible \u003cstrong\u003ePlan B\u003c\/strong\u003e, \u003cstrong\u003eAtlas\u003c\/strong\u003e, and \u003cstrong\u003eAtlas XL\u003c\/strong\u003e suppressors.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis specific variant is bored for the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.375 caliber\u003c\/span\u003e\u003c\/strong\u003e and is threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e with a \u003cstrong\u003esquare shoulder\u003c\/strong\u003e for a precise, repeatable install against the barrel shoulder. The classic 3-prong design provides effective flash suppression on its own, while the enlarged wrench flats on the body make installation straightforward with a standard armorer's tool. The \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eHeat Treated\u003c\/span\u003e\u003c\/strong\u003e finish (H900) delivers the surface hardness needed to hold prong geometry even after extended strings of fire, and the \u003cstrong\u003ePlan B\u003c\/strong\u003e pattern provides a universal suppressor mount solution that ties into the rest of the Rearden suppressor family.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are running a large-bore precision rifle or simply want a low-flash, suppressor-ready muzzle device in a compact, lightweight package, the Rearden FHD Heat Treated brings together premium 17-4 PH stainless construction, an H900 heat-treated finish, and the widely adopted Plan B mounting standard in one part.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rearden","offers":[{"title":"Default Title","offer_id":55169755840834,"sku":"195246","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b3af5294-b644-4ebe-b532-63c2eb5a575d.png?v=1784905853","url":"https:\/\/centerfiresystems.com\/products\/rearden-fhd-375-cal-5-8x24-square-shoulder-flash-hider-heat-treated-plan-b-compatible","provider":"Centerfire Systems","version":"1.0","type":"link"}