{"title":"Smith \u0026 Wesson Caliber Compatibility Guide","description":"\u003ch2\u003eSmith \u0026amp; Wesson Parts Caliber Compatibility Guide\u003c\/h2\u003e\u003cp\u003eUnderstanding which parts interchange between different calibers is essential when ordering replacement components for your Smith \u0026amp; Wesson firearm. This guide explains caliber-specific parts versus universal parts for both revolvers and pistols.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eRevolver Caliber Compatibility\u003c\/h3\u003e\u003ch4\u003e.38 Special and .357 Magnum Revolvers\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShare the same frame\u003c\/strong\u003e and most internal parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Cylinders, barrels, forcing cones, extractors, ejector rods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable parts:\u003c\/strong\u003e Grips, springs, triggers, hammers, and most internal parts within the same frame size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e .38 Special cylinders can physically fit in .357 Magnum frames, but this is NOT recommended for safety reasons\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e.44 Special and .44 Magnum Revolvers\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShare N Frame\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost internal parts interchange\u003c\/strong\u003e between .44 Special and .44 Magnum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Cylinders, barrels, forcing cones, extractors, ejector rods\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e.22 LR Rimfire vs Centerfire Revolvers\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ Frame Rimfire Models:\u003c\/strong\u003e 34, 35, 43, 53, 43C, 63, 317, 351C, 651\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK Frame Rimfire Models:\u003c\/strong\u003e 17, 18, 48, 617, 648, K22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAMMERS are NOT compatible\u003c\/strong\u003e between rimfire and centerfire due to different firing pin configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll other internal parts\u003c\/strong\u003e (bolt springs, thumb pieces, rebound slides, grips, etc.) ARE interchangeable within the same frame size\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eGeneral Revolver Rule\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eWithin the same frame size (J, K, L, N, X):\u003c\/strong\u003e Grips, springs, triggers, and most internal parts interchange regardless of caliber. Only parts that directly contact the cartridge (cylinders, barrels, forcing cones, extractors, ejector rods, and hammers for rimfire) are caliber-specific.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePistol Caliber Compatibility (3rd Generation)\u003c\/h3\u003e\u003ch4\u003e9mm Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e 3904, 3906, 3913, 3914, 3944, 3953, 3954, 5903, 5904, 5906, 5943, 5944, 5946, 6904, 6906\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Barrels, slides, magazines, extractors, ejectors, firing pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable within same frame size:\u003c\/strong\u003e Triggers, hammers, sears, disconnectors, springs (in most cases), grips, sights\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e.40 S\u0026amp;W Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e 4003, 4006, 4013, 4043, 410, 411, 4506 series\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Barrels, slides, magazines, extractors, ejectors, firing pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable within same frame size:\u003c\/strong\u003e Triggers, hammers, sears, disconnectors, springs (in most cases), grips, sights\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e.45 ACP Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e 4505, 4506, 4513, 4516, 4526, 4536, 4546, 4553, 4563, 4566, 4576, 4583, 4586\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Barrels, slides, magazines, extractors, ejectors, firing pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable within same frame size:\u003c\/strong\u003e Triggers, hammers, sears, disconnectors, springs (in most cases), grips, sights\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e10mm Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e 1006, 1026, 1066, 1076, 1086\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber-specific parts:\u003c\/strong\u003e Barrels, slides, magazines, extractors, ejectors, firing pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable within same frame size:\u003c\/strong\u003e Triggers, hammers, sears, disconnectors, springs (in most cases), grips, sights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e 10mm models use a larger frame than 9mm\/.40 S\u0026amp;W models\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eMagazine Compatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Magazines are caliber-specific and NOT interchangeable between calibers\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9mm magazines\u003c\/strong\u003e only fit 9mm pistols\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.40 S\u0026amp;W and .357 SIG magazines\u003c\/strong\u003e may interchange (same case diameter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.45 ACP magazines\u003c\/strong\u003e only fit .45 ACP pistols\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10mm magazines\u003c\/strong\u003e only fit 10mm pistols\u003c\/li\u003e\n\u003cli\u003eMagazine capacity varies by model (compact vs full-size)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eM\u0026amp;P Series Caliber Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM\u0026amp;P 9mm, .40 S\u0026amp;W, and .45 ACP\u003c\/strong\u003e share similar frames but have caliber-specific slides, barrels, magazines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMany internal parts\u003c\/strong\u003e (triggers, sears, springs) interchange across M\u0026amp;P calibers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM\u0026amp;P Shield parts\u003c\/strong\u003e are generally NOT compatible with full-size M\u0026amp;P (different frame size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM\u0026amp;P Bodyguard 380\u003c\/strong\u003e parts are unique to that model\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eKey Rule: What's Caliber-Specific?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhen in doubt:\u003c\/strong\u003e Caliber-specific parts include anything that touches the cartridge:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBarrels\u003c\/li\u003e\n\u003cli\u003eSlides (pistols)\u003c\/li\u003e\n\u003cli\u003eCylinders (revolvers)\u003c\/li\u003e\n\u003cli\u003eMagazines\u003c\/li\u003e\n\u003cli\u003eExtractors\u003c\/li\u003e\n\u003cli\u003eEjectors\u003c\/li\u003e\n\u003cli\u003eFiring pins\u003c\/li\u003e\n\u003cli\u003eHammers (rimfire vs centerfire only)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInternal fire control parts and springs\u003c\/strong\u003e often interchange within the same frame size\/generation regardless of caliber.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eStill Not Sure?\u003c\/h3\u003e\u003cp\u003eIf you're uncertain about compatibility, check the product description for \"Fits Models\" information, or contact us with your specific model number and the part you need. We're here to help ensure you get the correct part the first time.\u003c\/p\u003e","products":[],"url":"https:\/\/usagunsandgear.com\/collections\/smith-wesson-caliber-compatibility-guide.oembed","provider":"USA Guns And Gear","version":"1.0","type":"link"}