This is a Marlin model 25 MN bolt action rifle in .22 WMR (Winchester Magnum Rimfire) caliber. It has a 22" barrel, open sights, brown laminated stock, 7-round detachable box magazine, sling studs, and solid rubber buttplate. This rifle has a section of the barrel about 3 inches long that has been ground down to make clearance for a scope.