Elevate your firearm's performance with the Tiger Rock Inc. S-B44*100 Ruger 10/22 Trigger Mainspring. Crafted from premium steel, this accurate replacement part ensures unmatched reliability and durability. Each mainspring measures 1.587 inches in length and 0.249 inches in width, providing an optimal fit for your Ruger 10/22. This pack comes with 100 springs, offering excellent value for continuous maintenance and enhanced shooting precision. Length: 1.587" Width: 0.249" Steel construction Matte Black finish Fits: Ruger 10/22 Upgrade your shooting experience with this essential component that flawlessly combines quality and functionality.