Smith & Wesson M&P Striker Block Spring
Factory OEM Part #392080000
Genuine Smith & Wesson factory striker block spring for all M&P pistols. Critical component of the firing pin safety system.
Key Features:
- Factory OEM quality
- Precision-wound spring
- Essential safety component
- Universal fit across M&P platform
- Direct replacement part
Compatibility:
✓ Compatible with:
- M&P Shield 9mm, .40, .45 (1.0 & 2.0)
- M&P Compact 9mm, .40, .45 (1.0 & 2.0)
- M&P Full Size 9mm, .40, .45 (1.0 & 2.0)
Function:
The striker block spring maintains upward pressure on the striker block, preventing the firing pin from moving forward unless the trigger is fully pressed. Critical for safe operation.
When to Replace:
Replace if spring shows signs of weakening, compression, or if the striker block doesn't return to position properly.
Maintain your M&P's safety systems with genuine Smith & Wesson factory parts.