{"product_id":"smith-wesson-l-frame-model-586-4-barrel-non-pinned-357-magnum-red-ramp-sight-used-58621a","title":"Smith \u0026 Wesson L Frame Model 586 4\" Barrel Non-Pinned .357 Magnum Red Ramp Sight Used - 58621A","description":"\u003ch2\u003eSmith \u0026amp; Wesson L Frame Model 586 4\" Barrel — Non-Pinned, .357 Magnum, Red Ramp Front Sight, Used\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePart #58621A | Used | L Frame | Model 586 | 4\" Barrel | Non-Pinned | .357 Magnum | Red Ramp Front Sight | Blued\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGenuine used Smith \u0026amp; Wesson blued 4\" barrel for the L Frame Model 586 Distinguished Combat Magnum in .357 Magnum. This barrel features the factory \u003cstrong\u003ered ramp front sight insert\u003c\/strong\u003e — a serrated ramp with a red plastic insert for improved sight acquisition. Buyers specifically replacing a chipped, faded, or missing red ramp insert will want to verify the front sight condition before purchasing; contact us for photos.\u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003enon-pinned barrel\u003c\/strong\u003e — post-approximately 1982 production, retained by thread tension only without a cross-pin through the frame. Non-pinned and pinned barrels are \u003cstrong\u003enot interchangeable\u003c\/strong\u003e; verify your revolver’s production configuration before ordering.\u003c\/p\u003e\u003cp\u003eThe Model 586 Distinguished Combat Magnum was S\u0026amp;W’s blued L Frame .357 Magnum, introduced in 1980 alongside the stainless Model 686, and discontinued in 1999. The 4\" barrel was the primary duty and service configuration. Used 586 barrels in good condition are increasingly scarce as the model ages out of current production.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUsed Condition:\u003c\/strong\u003e Genuine used OEM barrel. Expect normal handling marks, holster wear, and finish wear consistent with a used service barrel. Red ramp front sight insert present. Inspected for mechanical soundness — no cracks, bulges, or forcing cone damage observed. Cosmetic and finish condition varies — contact us for photos before purchasing if condition is a concern.\u003c\/p\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 586\u003c\/strong\u003e — L Frame .357 Magnum blued, 4\" non-pinned (post-~1982 production)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 686 (verify fitment)\u003c\/strong\u003e — L Frame .357 Magnum stainless; shares the same L Frame barrel profile for 4\" non-pinned; finish will not match (686 is stainless); confirm timing with your gunsmith\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 58621A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Barrel (complete with front sight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e L Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 586 (Distinguished Combat Magnum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Non-Pinned (post-~1982)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Sight:\u003c\/strong\u003e Red Ramp (serrated ramp with red insert)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .357 Magnum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Blued Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — inspected for mechanical soundness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e⚠️ Installation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBarrel replacement is a gunsmith-only operation.\u003c\/strong\u003e Requires a barrel vise, frame wrench, barrel timing\/alignment verification, cylinder gap measurement (.004\"–.006\" typical), and forcing cone inspection. Do not attempt without proper tooling and training.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":22627955572794,"sku":"58621A","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC01494_f988a1b4-576c-4bf9-8045-68e218d4955c.jpg?v=1789564737","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-l-frame-model-586-4-barrel-non-pinned-357-magnum-red-ramp-sight-used-58621a","provider":"USA Guns And Gear","version":"1.0","type":"link"}