{"product_id":"smith-wesson-revolver-bolt-plunger-spring-j-k-l-n-x-frame-070200000","title":"Smith \u0026 Wesson Revolver Bolt Plunger Spring J K L N X Frame All Models 070200000","description":"\u003ch2\u003eSmith \u0026amp; Wesson Bolt Plunger Spring - Universal Multi-Frame Compatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Smith \u0026amp; Wesson factory new bolt plunger spring\u003c\/strong\u003e (also known as cylinder latch spring) designed for all centerfire J, K, L, N, and X Frame revolvers \u003cstrong\u003ewith MIM (Metal Injection Molding) internal parts\u003c\/strong\u003e. This critical spring provides proper tension for reliable bolt plunger operation and cylinder lockup.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory new OEM component - authentic Smith \u0026amp; Wesson quality\u003c\/li\u003e\n\u003cli\u003eUniversal fit for J, K, L, N, and X Frame centerfire models with MIM parts\u003c\/li\u003e\n\u003cli\u003ePrecision spring steel construction for consistent tension\u003c\/li\u003e\n\u003cli\u003eEssential for reliable cylinder lockup and rotation\u003c\/li\u003e\n\u003cli\u003eDirect replacement part - no gunsmithing required\u003c\/li\u003e\n\u003cli\u003eEnsures proper bolt engagement and smooth cylinder operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Compatibility Note:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis spring is designed specifically for revolvers with MIM (Metal Injection Molding) internal parts.\u003c\/strong\u003e The year 1997 marked the major \"industrial revolution\" at the Springfield factory where most internal action parts—including the bolt, trigger, and hammer—were switched to MIM production. If your revolver was manufactured before 1997 or has older forged\/machined parts, this spring may not be compatible. Most Smith \u0026amp; Wesson revolvers produced from 1997 onward use MIM parts.\u003c\/p\u003e\n\u003ch3\u003eCaliber Compatibility:\u003c\/h3\u003e\n\u003cp\u003eFactory replacement bolt plunger spring for Smith and Wesson J\/K\/L\/N\/X frame revolvers chambered in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e.357 Magnum\u003c\/li\u003e\n\u003cli\u003e.38 Special\u003c\/li\u003e\n\u003cli\u003e.41 Rem Mag\u003c\/li\u003e\n\u003cli\u003e.44 Rem Mag\u003c\/li\u003e\n\u003cli\u003e.44 Special\u003c\/li\u003e\n\u003cli\u003e.45 ACP\u003c\/li\u003e\n\u003cli\u003e.45 Colt\u003c\/li\u003e\n\u003cli\u003e.454 Casull\u003c\/li\u003e\n\u003cli\u003e.460 S\u0026amp;W Magnum\u003c\/li\u003e\n\u003cli\u003e.500 S\u0026amp;W Magnum\u003c\/li\u003e\n\u003cli\u003e.500 Special\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrame Compatibility:\u003c\/h3\u003e\n\u003cp\u003eThis bolt plunger spring fits all centerfire models with MIM parts across five frame sizes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ Frame (Centerfire Only):\u003c\/strong\u003e Models 30, 31, 32, 33, 36, 37, 38, 42, 49, 60, 331, 337, 342, 360, 442, 637, 638, 640, 642, 649\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK Frame (Centerfire Only):\u003c\/strong\u003e Models 10, 12, 13, 14, 15, 16, 19, 64, 65, 66, 67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL Frame:\u003c\/strong\u003e Models 581, 586, 681, 686\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN Frame:\u003c\/strong\u003e Models 24, 25, 27, 28, 29, 57, 58, 624, 625, 627, 628, 629, 657\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX Frame:\u003c\/strong\u003e Models 460XVR, 500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNOT compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRevolvers manufactured before 1997 with forged\/machined (non-MIM) internal parts\u003c\/li\u003e\n\u003cli\u003eModel 610 (10mm N Frame) - may require specific spring\u003c\/li\u003e\n\u003cli\u003eRimfire models (.22 LR, .22 Magnum): J Frame Models 34, 35, 43, 63, 651 | K Frame Models 17, 18, 48, 53, 617, 648\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplace worn springs to maintain optimal revolver function and prevent cylinder timing issues.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 070200000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Compatibility:\u003c\/strong\u003e J, K, L, N, X Frame (centerfire, MIM parts)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Factory New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Bolt Plunger Spring (Cylinder Latch Spring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Spring Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction:\u003c\/strong\u003e For MIM internal parts (1997-present)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintain your Smith \u0026amp; Wesson revolver's reliability with this genuine OEM bolt plunger spring. Essential for gunsmiths, armorers, and firearm enthusiasts maintaining their centerfire revolvers with MIM components.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":33423953354,"sku":"070200000","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/211034.jpg?v=1571385311","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-revolver-bolt-plunger-spring-j-k-l-n-x-frame-070200000","provider":"USA Guns And Gear","version":"1.0","type":"link"}