{"product_id":"smith-wesson-revolver-j-frame-model-63-22-lr-4-barrel-stainless-steel-638","title":"Smith \u0026 Wesson J Frame Model 63 .22 LR 4\" Barrel Stainless Steel Used - 638","description":"\u003ch3\u003eSmith \u0026amp; Wesson J Frame Model 63 Barrel - 4 Inch\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 638\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used - Good\u003cbr\u003e\u003cstrong\u003eFrame:\u003c\/strong\u003e J Frame\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 63\u003cbr\u003e\u003cstrong\u003eCaliber:\u003c\/strong\u003e .22 LR (Long Rifle)\u003cbr\u003e\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 4 inches\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless Steel\u003cbr\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e Old Style (Pre-Lock)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 5 oz\u003c\/p\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003cp\u003eGenuine Smith \u0026amp; Wesson factory barrel for the J Frame Model 63 revolver chambered in .22 Long Rifle. This 4-inch stainless steel barrel is the old style (pre-lock) configuration, making it ideal for restoring or repairing earlier production Model 63 revolvers. The stainless finish provides excellent corrosion resistance and a clean, classic appearance.\u003c\/p\u003e\u003ch4\u003eAbout the Model 63\u003c\/h4\u003e\u003cp\u003eThe Smith \u0026amp; Wesson Model 63 is a stainless steel J Frame revolver chambered in .22 Long Rifle, often called the \"Kit Gun\" — a lightweight, versatile rimfire revolver designed for outdoor use, small game hunting, and plinking. The Model 63 features a 6-shot cylinder and was produced in both 2-inch and 4-inch barrel configurations. The old style (pre-lock) variants are highly sought after by collectors and shooters who prefer the traditional S\u0026amp;W action without the internal lock.\u003c\/p\u003e\u003ch4\u003eFunction \u0026amp; Compatibility\u003c\/h4\u003e\u003cp\u003eThis barrel is specifically designed for Smith \u0026amp; Wesson J Frame Model 63 revolvers chambered in .22 LR. As a rimfire barrel, it is \u003cstrong\u003enot interchangeable\u003c\/strong\u003e with centerfire J Frame barrels. Proper installation requires precise fitting to ensure correct barrel-cylinder gap and alignment. Professional gunsmith installation is strongly recommended.\u003c\/p\u003e\u003ch4\u003eHow to Identify Your S\u0026amp;W Model\u003c\/h4\u003e\u003cp\u003eTo determine your Smith \u0026amp; Wesson revolver model number, swing out the cylinder and check behind the yoke on the frame for the model number stamped into the metal. Model numbers began in 1957-58. The Model 63 will be clearly marked. If you have questions about compatibility, contact us with your serial number and we can verify fitment.\u003c\/p\u003e\u003ch4\u003eInstallation \u0026amp; Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eProfessional gunsmith installation required - not a drop-in part\u003c\/li\u003e\n\u003cli\u003eRequires specialized tools and precise fitting\u003c\/li\u003e\n\u003cli\u003eBarrel-cylinder gap must be set correctly (0.004-0.008 inches)\u003c\/li\u003e\n\u003cli\u003eBarrel must be properly torqued and aligned\u003c\/li\u003e\n\u003cli\u003eFront sight may require adjustment or replacement\u003c\/li\u003e\n\u003cli\u003eFactory OEM part manufactured to exact S\u0026amp;W specifications\u003c\/li\u003e\n\u003cli\u003eUsed part inspected for bore condition and thread integrity\u003c\/li\u003e\n\u003cli\u003eCompatible with J Frame Model 63 revolvers (.22 LR only)\u003c\/li\u003e\n\u003cli\u003eRimfire chambering — NOT compatible with centerfire J Frame models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eBarrel Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLength: 4 inches (measured from forcing cone to muzzle)\u003c\/li\u003e\n\u003cli\u003eCaliber: .22 Long Rifle (rimfire)\u003c\/li\u003e\n\u003cli\u003eFinish: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eStyle: Old Style (Pre-Lock)\u003c\/li\u003e\n\u003cli\u003eFrame: J Frame\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCondition Notes\u003c\/h4\u003e\u003cp\u003eThis is a used OEM barrel removed from a functioning Smith \u0026amp; Wesson Model 63 revolver. Shows normal wear consistent with use. Bore has been inspected and is in good condition with strong rifling. All threads are intact and functional. Stainless finish may show minor handling marks or light surface wear typical of used revolvers.\u003c\/p\u003e\u003ch4\u003eContact Us\u003c\/h4\u003e\u003cp\u003eWe specialize in Smith \u0026amp; Wesson pistol and revolver parts - used, new old stock, refurbished, and new. Our team has extensive knowledge of S\u0026amp;W firearms and can help you find the exact parts you need for your J Frame revolver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Email sales@usagunsandgear.com or call 770-544-8075\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41456787750970,"sku":"J638","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSCF0001_292b1cf6-fff4-4057-89e9-b478c52afade.jpg?v=1781097437","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-revolver-j-frame-model-63-22-lr-4-barrel-stainless-steel-638","provider":"USA Guns And Gear","version":"1.0","type":"link"}