Ruger Mini 14/30 Extra Power Hammer Spring $14.97 Hammer Spring – Extra power. For Mini-14, Mini 30, & Ranch Rifle. 30353/1* Out of stock Categories: Ruger, Wolff Gun Springs Related products Walther P-38 Pistol Service Pak Type 1 $29.97 Colt Government 1911 Conventional Recoil Spring 20lb $16.97