Smith & Wesson M&P Shield M2.0 Locking Block
Factory OEM Part #428580000
Genuine Smith & Wesson factory locking block designed for M&P Shield M2.0 pistols in 9mm and .40 S&W calibers.
Key Features:
- Factory OEM quality and precision
- Precision-machined for reliable function
- Direct replacement locking block
- Essential component for slide operation
- Factory specifications and tolerances
Compatibility:
✓ Compatible with:
- M&P Shield 9mm M2.0
- M&P Shield .40 S&W M2.0
✗ NOT compatible with: Shield 1.0 models (different part number)
Function:
The locking block is a critical component that locks the barrel and slide together during firing, then unlocks to allow the slide to cycle. Essential for proper pistol function and safety.
Maintain reliability with genuine Smith & Wesson factory parts.