189: Ruger Mark IV in 22 LR with 4 3/4" Barrel. Ths popular semi-auto pistol features a one-piece aluminum grip frame, a 4 3/4" tapered barrel, push-button takedown, three 10 round magazines, fixed sights, checkered synthetic grips, ambi manual safety and a blued finish. The gun is in excellent condition. Estimated Value: Low: $400 High: $500