Smith & Wesson K Frame Model 648 Barrel - 6" .22 Magnum Stainless Steel
Genuine Factory OEM Replacement Barrel | Part Number: 294350000
🔧 Compatibility Scope
✅ Confirmed Compatible Models:
- Smith & Wesson Model 648 - K Frame .22 Magnum revolver (primary application)
- K Frame revolvers chambered in .22 Magnum with 6-inch barrel configuration
- Serial number ranges: All Model 648 production years
⚠️ Important Compatibility Notes:
- Frame Type: K Frame ONLY - not compatible with J, L, or N frames
- Caliber Specific: .22 Magnum (.22 WMR) chambering - NOT for .22 LR, .38 Special, or .357 Magnum
- Barrel Length: 6-inch configuration - different length barrels require different parts
- Model Verification: Check your frame's model number (located on frame behind cylinder yoke when open)
❌ NOT Compatible With:
- Model 617 (.22 LR) - different caliber
- Model 64/65/66/67 (.38/.357) - different caliber and specifications
- J Frame models (640, 642, etc.) - different frame size
- L Frame or N Frame models - different frame dimensions
- 4-inch or other barrel length configurations of Model 648
🎯 Key Differentiators & Premium Features
✓ Genuine Smith & Wesson Factory OEM Part
Why This Matters: Unlike aftermarket alternatives, this is the exact same barrel that S&W installs at the factory. Manufactured to Smith & Wesson's exacting tolerances and specifications, ensuring perfect fit, function, and reliability. No compromises on quality or performance.
✓ Full Under Lug Design
Performance Advantage: The full-length under lug adds weight to the front of the barrel, reducing muzzle rise and felt recoil. This translates to faster follow-up shots, improved accuracy, and enhanced control - especially important for the snappy .22 Magnum cartridge.
✓ Precision Stainless Steel Construction
Durability & Longevity: Corrosion-resistant stainless steel ensures decades of reliable service. The brushed stainless finish matches factory Model 648 aesthetics perfectly while providing superior resistance to environmental conditions compared to blued steel.
✓ Factory-Spec Rifling & Chamber
Accuracy Guarantee: Precision button-rifled bore with factory twist rate optimized for .22 Magnum ballistics. Chamber cut to exact SAAMI specifications ensures reliable feeding, extraction, and optimal accuracy with all factory ammunition.
✓ Non-Pinned Modern Design
Current Production Standard: Features modern non-pinned barrel design consistent with current S&W production standards. Properly installed by a qualified gunsmith, this provides the same reliability as pinned barrels with simplified installation.
👤 Who This Part Is For
🔫 Revolver Restoration Enthusiasts
Restoring a Model 648 to factory condition? This genuine OEM barrel ensures your restoration maintains authenticity and value. Perfect for collectors who demand factory-correct parts.
🎯 Competitive Shooters
Replace a worn barrel to restore peak accuracy for rimfire revolver competition. The .22 Magnum's flat trajectory and the 6-inch barrel's sight radius make this an excellent choice for precision shooting sports.
🛠️ Gunsmiths & Armorers
Professional gunsmiths servicing customer firearms need reliable access to genuine factory parts. Stock this hard-to-find barrel for Model 648 repair and restoration work.
🏆 S&W Collectors
Maintaining a collection of Smith & Wesson revolvers requires authentic factory parts. The Model 648 is a sought-after rimfire revolver, and this barrel helps preserve its collector value.
🔧 DIY Firearm Owners (with gunsmith support)
Experienced firearm owners who work with a trusted gunsmith can source this part directly and have it professionally installed, often saving time and ensuring they get the exact factory part needed.
❗ Problems This Part Solves
🔴 Barrel Damage or Wear
The Problem: Barrel erosion, pitting, or damage from improper cleaning can degrade accuracy and safety. A damaged barrel compromises the entire firearm's performance.
The Solution: Replace with this factory-new barrel to restore your Model 648 to like-new condition. Precision manufacturing ensures optimal accuracy and safe operation.
🔴 Discontinued Part Availability
The Problem: Smith & Wesson Model 648 barrels are increasingly difficult to source. Many parts suppliers are out of stock or only carry aftermarket alternatives.
The Solution: We maintain inventory of genuine S&W factory parts. This is an authentic OEM barrel, not an aftermarket substitute - ensuring proper fit and function.
🔴 Accuracy Degradation
The Problem: Thousands of rounds through a barrel can wear the rifling, leading to decreased accuracy and larger group sizes. Your once-accurate revolver no longer shoots to its potential.
The Solution: A fresh factory barrel with unworn rifling restores factory accuracy. The precision button-rifled bore delivers consistent performance shot after shot.
🔴 Restoration Project Completion
The Problem: You've acquired a Model 648 with a damaged or incorrect barrel, and you need the correct factory part to complete your restoration.
The Solution: This is the exact barrel S&W used in production. Part number 294350000 ensures you're getting the correct specification for authentic restoration.
🔴 Aftermarket Quality Concerns
The Problem: Aftermarket barrels may have inconsistent quality, improper tolerances, or materials that don't match factory specifications. This can lead to fitting issues, accuracy problems, or safety concerns.
The Solution: Genuine Smith & Wesson factory part manufactured to the same standards as original equipment. No guesswork, no quality compromises.
📋 Complete Technical Specifications
| Manufacturer: | Smith & Wesson |
| Part Number: | 294350000 |
| Model Compatibility: | Model 648 (K Frame) |
| Caliber: | .22 Magnum (.22 WMR) |
| Barrel Length: | 6 inches |
| Material: | Stainless Steel |
| Finish: | Brushed Stainless |
| Under Lug: | Full Length |
| Barrel Design: | Non-Pinned |
| Rifling: | Button Rifled, Factory Twist Rate |
| Front Sight: | Accepts S&W K Frame Front Sight |
| Condition: | Factory New |
| Weight: | Approximately 1.5 lbs |
| Country of Origin: | United States |
🔧 Installation Requirements
⚠️ PROFESSIONAL INSTALLATION REQUIRED
This barrel MUST be installed by a qualified, licensed gunsmith. Barrel installation requires:
- Proper headspacing and timing verification
- Barrel-to-frame fitting and alignment
- Torque specifications and thread engagement
- Function and safety testing
- Sight installation and alignment
Improper installation can result in firearm malfunction, damage, or serious injury. Do not attempt installation without proper training, tools, and expertise.
What Your Gunsmith Will Need:
- Barrel vise and action wrench
- Headspace gauges (.22 Magnum)
- Torque wrench with appropriate specifications
- Timing and cylinder gap measurement tools
- Front sight installation tools
🔍 How to Identify Your Smith & Wesson Model
- Open the Cylinder: Swing out the cylinder to the left
- Locate Model Number: Look on the frame behind the cylinder yoke (the part the cylinder swings out on)
- Verify Model 648: The model number should read "648" or "648-X" (where X is a dash number indicating production variation)
- Check Caliber Marking: The barrel should be marked ".22 MAG" or ".22 WMR"
- Measure Barrel Length: Confirm your current barrel is 6 inches (measured from forcing cone to muzzle)
Pre-1957 Revolvers: If no model number is present, your revolver predates S&W's model numbering system. Contact us with your serial number for assistance.
🏆 Why Choose USA Guns and Gear
- ✓ Authentic Factory Parts: We specialize in genuine Smith & Wesson OEM components - no aftermarket substitutes
- ✓ Expert Knowledge: Our team understands S&W parts compatibility and can help you find exactly what you need
- ✓ Quality Guarantee: Every part is inspected to ensure factory-new condition
- ✓ Fast Shipping: In-stock items ship quickly to get your firearm back in service
- ✓ Customer Support: Questions about compatibility or installation? We're here to help
- ✓ Specialized Inventory: We maintain stock of hard-to-find S&W parts that other suppliers don't carry
📦 Shipping & Legal Information
Shipping: This barrel is a firearm component and ships via standard ground service. No FFL required for barrel-only shipments to most states.
Legal Compliance: Buyer is responsible for ensuring compliance with all federal, state, and local laws. Some states and localities may have restrictions on firearm parts. By purchasing, you certify that you are legally permitted to own this item in your jurisdiction.
Returns: Due to the nature of firearm parts, returns are subject to our standard return policy. Part must be unused and in original condition.
❓ Frequently Asked Questions
Q: Is this a genuine Smith & Wesson factory part?
A: Yes, this is an authentic Smith & Wesson OEM barrel with factory part number 294350000. It's the same barrel S&W uses in production.
Q: Can I install this barrel myself?
A: No. Professional gunsmith installation is required. Barrel installation requires specialized tools, knowledge, and safety verification that only a qualified gunsmith can provide.
Q: Will this fit my Model 617?
A: No. The Model 617 is chambered in .22 LR, not .22 Magnum. This barrel is specifically for the Model 648 in .22 Magnum.
Q: Does this include the front sight?
A: The barrel accepts a standard S&W K Frame front sight. Your gunsmith can transfer your existing sight or install a new one during installation.
Q: What's the difference between this and an aftermarket barrel?
A: This is a genuine factory part manufactured to S&W's exact specifications. Aftermarket barrels may have quality variations, tolerance differences, or materials that don't match factory standards.
Q: How do I know if my barrel needs replacement?
A: Signs include: decreased accuracy, visible pitting or erosion in the bore, damage to the crown or forcing cone, or if a gunsmith has recommended replacement during inspection.
🛒 Ready to Restore Your Model 648?
Limited Stock Available - Genuine S&W factory barrels for the Model 648 are increasingly difficult to source. Don't wait until this hard-to-find part is out of stock.
Questions? Contact us about compatibility, installation, or any other Smith & Wesson parts needs. We're here to help you find the right parts for your firearms.
✓ Genuine Smith & Wesson Factory Part | ✓ Part #294350000 | ✓ Factory New Condition | ✓ Fast Shipping | ✓ Expert Support