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Richard Miller great service and oem parts
Factory OEM Part #424680000
Genuine Smith & Wesson factory striker block spacer compatible with all M&P pistols in 9mm, .40 S&W, and .45 ACP. Critical component of the firing pin safety system.
✓ Compatible with:
The striker block spacer is part of the firing pin safety mechanism that prevents the striker from moving forward unless the trigger is fully pressed. Critical for safe operation.
Maintain your M&P with genuine Smith & Wesson factory parts.