{"product_id":"sw-j-frame-model-36-bolt-spring-plunger-38-special-old-style-366a","title":"Smith \u0026 Wesson J Frame Model 36 Bolt, Spring \u0026 Plunger – .38 Special, Old Style – Part# 366A","description":"\u003ch2\u003eSmith \u0026amp; Wesson J Frame Model 36 – Bolt, Spring \u0026amp; Plunger\u003c\/h2\u003e\u003cp\u003eThis is a genuine used Smith \u0026amp; Wesson \u003cstrong\u003eBolt, Spring \u0026amp; Plunger assembly\u003c\/strong\u003e for the \u003cstrong\u003eJ Frame Model 36\u003c\/strong\u003e revolver chambered in \u003cstrong\u003e.38 Special\u003c\/strong\u003e. Old-style configuration. The bolt (cylinder stop) locks the cylinder in alignment with the barrel during firing; the spring and plunger drive the bolt into the cylinder notches.\u003c\/p\u003e\u003ch3\u003ePart Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 366A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt, Spring \u0026amp; Plunger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used – Old Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e J Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 Special\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 36\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eOld Style – Confirmed Fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 36 (other variants)\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eVerify old vs. new style before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 37 \/ 38\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eMay fit – verify old style before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 49\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eMay fit – verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eHow to find your model number:\u003c\/strong\u003e Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no model number is present, contact us with your serial number for assistance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is a used factory part. The bolt is a critical timing component — professional gunsmith installation and timing verification is strongly recommended.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40940459950138,"sku":"366A","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/s-l960_5_1e65ace4-b679-4b73-81af-f5dc9d224cff.webp?v=1752250826","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-model-36-bolt-spring-plunger-38-special-old-style-366a","provider":"USA Guns And Gear","version":"1.0","type":"link"}