SKS Rifle Performance Pak $20.00 Contains 1 each reduced power hammer spring rated at 27.5 pounds (original hammer springs range from 33-36 pounds) and 1 each reduced power sear/magazine can latch spring to improve trigger. 30190 Out of stock Category: Uncategorized Related products Mauser 1893 – 1896 Rifle Service Pak $20.00 Glock competition pak trigger group springs, all models $20.00