44321 Wolff Hk P-7 Recoil Spring 21 LB 9mm (Factory STD)

Recoil springs are available with load-rated specifications to tailor the recoil function to individual needs. Each load-rated recoil spring pak includes an extra power striker spring.

• Reduced Power…: 17, 18, 19 & 20 Lb.
• Factory Standard.: 21 Lb.
• Extra Power……..: 23 & 25 Lb.