The S&W 6904 represents a pivotal service pistol from Smith & Wesson, blending traditional double-action control with modern striker-fired reliability. This review examines how the 6904 performs in duty, training, and defensive scenarios.
Designed for professional carry and range use, the 6904 balances ergonomics, capacity, and durability in a way that appeals to both law enforcement and serious civilian shooters.
| Model | Caliber | Capacity | Frame | Trigger System |
|---|---|---|---|---|
| S&W 6904 | 9×19mm Parabellum | 15+1 | Alloy | Double-action striker-fired |
| S&W 5906 | 9×19mm Parabellum | 15+1 | Alloy | Double-action only DAO |
| S&W M&P Shield 9mm | 9×19mm Parabellum | 15+1 | Polymer | Striker-fired |
| S&W 6906 | .40 S&W | 12+1 | Alloy | Double-action striker-fired |
Operating Mechanics and Trigger
Double-Action Strike-Fired Feel
The 6904 uses a double-action striker-fired mechanism, providing a consistent trigger press that mimics the safe handling of a double-action revolver while offering lighter subsequent shots. This design appeals to users transitioning from traditional DA autos to striker-fired platforms.
Trigger Training Considerations
Because the first shot is double action, trigger discipline and reset practice are critical. The moderate pull weight encourages deliberate alignment and supports controlled pair drills common in law qualification courses.
Ergonomics and Controls
Grip Design and Magazine Release
The 6904 features a contoured grip with subtle checkering and a wide control panel, allowing strong-hand purchase and intuitive thumb-index magazine changes. The frame-mounted decocker and magazine release are positioned for fast, repeatable manipulation under stress.
Sights and Sight Picture
Standard three-dot Novak-style sights provide a clear sight window and good low-light acquisition. Many shooters opt for high-visibility tritium or fiber-optic upgrades to improve target acquisition in varied lighting conditions.
Reliability and Maintenance
Field Durability and Cleaning
Constructed with a corrosion-resistant finish and robust alloy frame, the 6904 tolerates a wide range of ammunition while maintaining reliable feeding and ejection. Field-stripping for routine maintenance is straightforward, supporting consistent lubrication and bore inspection.
Slide and Recoil Spring Service
Wear on the recoil spring and guide rod is gradual; replacing the spring at manufacturer intervals helps preserve optimal operating characteristics. Regular inspection of the extractor and firing pin ensures long-term function under high round counts.
Usage Scenarios and Training
Duty Carry and Home Defense
Officers and civilian carriers favor the 6904 for duty use due to its manageable size, reliable feeding, and readily available service parts. At home, the decocker and magazine disconnect features support safe storage while keeping the pistol ready for rapid deployment.
Range Practice and Skill Development
Dry-fire drills and live-fire qualifications on steel targets help shooters refine trigger control and sight alignment. The 6904 pairs well with structured programs that emphasize transition drills, recoil management, and malfunction clearance.
Key Takeaways for Carrying and Training with the S&W 6904
- Master the double-action trigger pull with dedicated dry-fire reps to build consistent shot placement.
- Use quality ammunition and periodic function tests to verify reliable feeding and ejection.
- Upgrade to high-visibility sights and a comfortable grip to improve speed and accuracy in varied conditions.
- Follow manufacturer maintenance intervals and replace recoil springs as recommended for long service life.
- Integrate the 6904 into structured shooting drills that emphasize transitions, recoil control, and safe defensive deployment.
FAQ
Reader questions
Is the S&W 6904 still a good choice for new shooters in 2024?
Yes, the 6904 remains a solid entry into double-action striker-fired carry guns, offering predictable operation and durable construction that supports consistent skill development when paired with proper training.
How does the 6904 compare to the S&W 5906 for duty use?
The 6904 provides a modern DA striker platform with a decocker, while the 5906 is a double-action-only hammer-fired pistol; choose the 6904 if you prefer a striker and decocker, and the 5906 if you favor a traditional DA hammer style with simpler field stripping.
What are common aftermarket upgrades for the S&W 6904?
Popular upgrades include flat-faced or match triggers, recoil spring assemblies, guides, and firing pins, plus high-visibility sights and grip sleeves that tailor fit and pointability to individual shooters.
Can the S&W 6904 handle +P ammunition reliably?
Yes, the 6904 is rated for +P 9mm loads, and many users run defensive +P or training ammunition without issues, though periodic inspection of the firing pin and extractor is recommended under extended +P use.