Winchester Repeating Arms Xpert 22, Bolt Action Rifle, 17 Winchester Super Magnum, 16.5 Threaded Barrel, 1/2X28 Thread Pitch, Matte Finish, Black, Gray Stock, 8 Rounds, 1 Magazine, Included Vortex Crossfire II 2-7X32 525234186 The Xpert Scope Combo SR combines accuracy, dependability and style in a lightweight bolt-action package. Featuring a Vortex Crossfire II 2-7 x 32mm optic, scope rings, picatinny rail mounted and bore sighted. Available in 22 LR or the lightning fast 17 WSM, the Xpert features a precision Rimfire M.O.A. Trigger, button-rifled barrel with a 1/2 x 28 TPI threaded muzzle and knurled thread protector. Bentz-style chamber and lightweight polymer stock.