Winchester 94 Reduced Power Hammer Spring Pak $19.97 Hammer Spring Pak – Contains 1 each reduced power hammer springs in 13 & 15 pounds. Out of stock Categories: Winchester, Wolff Gun Springs Related products 12ga. magazine spring for shotguns with extension tubes (to 10rd) $44.97 Remington 1100 & 11-87, 12ga. Barrel seal O ring. $7.50