Wolff Reduced Power Striker Spring for S&W M&P Pistols
Part Number: 34201
Improve your Smith & Wesson M&P pistol's trigger pull with this premium Wolff reduced power striker spring (firing pin spring). Rated at 4 pounds compared to the factory 5-pound spring, this precision-engineered spring helps reduce trigger pull weight for improved accuracy and faster follow-up shots.
⚠️ IMPORTANT - COMPETITION USE ONLY: This reduced power striker spring is designed for competition use only and is NOT recommended for duty, carry, or self-defense applications. Always use factory-spec springs for defensive firearms.
Key Features:
- Reduced Power Design: 4 LB vs. factory 5 LB for lighter trigger pull
- Competition Optimized: Improves trigger feel and reduces pull weight for competitive shooting
- Premium Quality: Made in USA by Wolff GunspringMakers with over 75 years of expertise
- Easy Installation: Direct drop-in replacement for factory striker spring
- Precision Engineered: Manufactured to exacting tolerances for consistent performance
- Corrosion Resistant: High-quality spring steel construction
Spring Comparison Chart:
| Spring Type | Weight | Best For | Benefits |
|---|---|---|---|
| Factory Standard | 5 LB | Duty, carry, defense | Maximum reliability, safe for all uses |
| Wolff Reduced Power | 4 LB | Competition only | Lighter trigger pull, improved accuracy, faster splits |
Technical Specifications:
- Spring Type: Striker Spring (Firing Pin Spring)
- Power Rating: 4 LB (Reduced Power)
- Factory Rating: 5 LB
- Material: Premium spring steel
- Finish: Corrosion-resistant
- Manufacturer: Wolff GunspringMakers (USA)
- Weight: 1 oz
- Package: 1 spring per pack
Compatible Models:
This striker spring fits the following Smith & Wesson M&P pistols:
- M&P 9mm (all full-size and compact variants)
- M&P .40 S&W (all full-size and compact variants)
- M&P .357 Sig (all variants)
NOT compatible with: M&P .45 ACP (requires different spring), Shield series (use Shield-specific springs), M&P22 series
Installation Instructions:
- Safety First: Ensure firearm is completely unloaded and magazine is removed
- Field Strip: Disassemble pistol per manufacturer's instructions
- Remove Slide: Take slide off frame
- Access Striker Assembly: Remove striker assembly from slide
- Replace Spring: Remove old striker spring and install new Wolff 4 LB spring
- Reassemble: Reinstall striker assembly and reassemble pistol
- Function Test: Perform complete function check before use
Pro Tip: If you're not comfortable performing this installation, have a qualified gunsmith install the spring. Always test fire with factory ammunition to ensure reliable ignition.
Frequently Asked Questions:
Q: Can I use this spring for concealed carry or duty use?
A: No. This reduced power spring is for competition use only. For carry, duty, or self-defense, always use factory-specification springs to ensure 100% reliability.
Q: Will this spring cause light primer strikes?
A: When used with quality factory ammunition, this spring should provide reliable ignition. However, some hard-primer ammunition may experience issues. Always test thoroughly with your chosen ammunition.
Q: How much will this reduce my trigger pull weight?
A: Results vary, but most shooters experience a 0.5-1.5 pound reduction in overall trigger pull weight when combined with other trigger work.
Q: Does this work with the M&P M2.0 series?
A: Yes, this spring is compatible with both M&P 1.0 and M2.0 pistols in 9mm, .40, and .357 Sig.
Q: Can I combine this with other reduced power springs?
A: Yes, many competitors combine this with reduced power recoil springs for an optimized competition setup. However, this is for competition use only.
Q: Will this void my warranty?
A: Modifications to your firearm may affect warranty coverage. Check with Smith & Wesson regarding their warranty policy on aftermarket parts.
Why Choose Wolff Springs?
Since 1948, Wolff has been America's premier manufacturer of precision firearm springs. Their reduced power springs are engineered to exacting tolerances, providing consistent performance for competitive shooters. Trusted by USPSA, IDPA, and Steel Challenge competitors worldwide.
Competition Use Disclaimer:
WARNING: This reduced power striker spring is intended for competition use only. It is NOT recommended for duty, carry, concealed carry, or self-defense applications. Reduced power springs may not provide reliable ignition with all ammunition types and could result in malfunctions. Always use factory-specification springs in firearms intended for defensive purposes.
Warranty & Returns:
Wolff springs are backed by the manufacturer's quality guarantee against defects in materials and workmanship. All products are eligible for return within our standard return policy period if unused and in original condition.
Frequently Bought Together:
- Wolff reduced power recoil springs for M&P (various weights)
- Factory striker springs (for backup/duty use)
- M&P trigger components
- Striker assembly parts
Package Contents: 1 Wolff Reduced Power Striker Spring (4 LB)
Competition Tip: Many competitive shooters keep both reduced power and factory springs on hand - reduced power for competition and factory for any defensive use. This allows you to optimize your competition gun while maintaining a reliable defensive setup.