AccuTec 10/22 Barrel Pusher Tool The AccuTec 10/22® Barrel Pusher is designed to easily remove factory and aftermarket barrels from the receivers of Ruger® 10/22® rifles. The 10/22® Barrel Pusher works with all available calibers including 17HMR, 17HM2, 22LR and 22WMR. The tool removes the tightest barrel with no exertion and with no danger of marring or scratching the receiver. Any mounted scope or other optic may remain in place. The Barrel Pusher allows easy barrel removal anywhere in your home or apartment without the need of a bench-mounted vice. For links to the Instruction PDF and more photos, see 10/22 Barrel Pusher. (Warning: NOT FOR USE WITH CHARGER PISTOLS)