12-15 LB SPRINGS ARE MOSTLY USED FOR COMPETITION SHOOTING, OR IF USING A RECOIL COMPENSATOR ON YOUR BARREL.
LIGHTER WEIGHT RECOIL SPRINGS HAVE A FASTER RECOIL TIME AND ALLOWS THE SHOOTER TO STAY ON TARGET AND RE-ADJUST TO THE TARGET FASTER AND EASIER
13 - 15 LB RECOIL SPRINGS ARE REDUCED POWER AMMUNITION LOADS
16 LB RECOIL SPRING IS THE FACTORY WEIGHT RECOIL SPRING
17, 19, 20, 22, 24 LB RECOIL SPRINGS ARE FOR HEAVY POWER AMMUNITION LOADS +p or +p+
THE CORRECT LOADS ARE NECESSARY TO MAKE SURE YOU DO NOT HAVE CYCLING ISSUES.