ALG Defense Spring Stainless AK Recoil Spring 04-231
ALG Defense Spring Stainless AK Recoil Spring 04-231, Description: ALG AK recoil spring is a one of a kind design, it is manufactured from chrome silicon steel resist impact shock and relaxation. The 2 to 3 dead coils in the center change the natural frequency of the spring, which prevents harmonics from damaging the spring and reducing its free length.