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 Colt Government 1911 Variable Recoil Spring 14lb. $16.97 Colt Government 1911 Variable Recoil Spring 20lb. $16.97