HKP MP5 & HK94 Firing Pin Spring - Enhanced

HK MP5, MP5K Enhanced firing pin fits all of the MP5 9mm & 40/10 Variants including MP5,94 & MP5K, SP89 clones. The "Enhanced" firing pin spring was analyzed & engineered from scratch with the latest in performance spring technology and an emphasis to reduce stress on the spring and increase cycle life 500% while providing a more consistent, reliable cycle life. We are proud to offer this spring at less than half the cost of the factory firing pin spring.

• MP5, HK94
• HK MP5K, SP89
• MP5 40. MP5 10mm
• HK clones or custom builds