NcStar gives you LASER dot POWER, with a universal rifle mount! And it's as affordable as all get-out. Has a sturdy aluminum body, and on / off switch operation. Mounts in a minute to the barrel of any rifle. Ready to go, with Allen wrenches and 3 lithium batteries included. 2.25" long. Discover the fun and fast accuracy of laser targeting... you won't get a better shot than this!