Smith & Wesson M&P Spring Kit

For after-market trigger weight tuning of your DryFireMag for Smith & Wesson M&P.

• M&P®9 Compact
• M&P®40 Compact
• M&P®9
• M&P®40
• M&P®9 M2.0™ Compact
• M&P®40 M2.0™ Compact
• M&P®9 M2.0™
• M&P®40 M2.0™

Not for M&P Shield or M&P Shield EZ