Smith & Wesson M&P Shield Magazine Spring
Factory OEM Part #422400000
Genuine Smith & Wesson factory magazine spring for M&P Shield magazines in 9mm and .40 S&W. Essential component for reliable magazine feeding.
Key Features:
- Factory OEM quality
- Precision-wound spring
- Ensures reliable feeding
- Direct replacement spring
- Universal fit for Shield 1.0 and 2.0
Compatibility:
✓ Compatible with:
- M&P Shield 9mm (1.0 & 2.0)
- M&P Shield .40 S&W (1.0 & 2.0)
When to Replace:
Replace if experiencing feeding issues, if spring shows signs of weakening or damage, or as part of regular magazine maintenance. Magazine springs are wear items that should be replaced periodically.
Maintain reliable magazine function with genuine Smith & Wesson factory parts.