COWCOW TM M&P9 150% Hammer Spring

This 150% hammer spring, made from high strength spring steel, increases the power of valve activation. It increases reliability in hot weather and high pressure conditions to ensure a consistent valve movement in every shot.

• High strength spring steel
• Hard coating prevents corrosion
• Provides extra hammer power

Compatible with

• TM M&P9, M&P9 V Custom and M&P9L