Here we have Windham, Maine factory made DPMS XM15E2S, with a 1-9 twist you'll be better off shooting 45-62grain loads for stabilization & accuracy. Sporting a picatinny rail you are ready to mount a red dot or any optic at your pleasure, as well as a threaded barrel for all sorts of muzzle accessories. Comes with a flip up front sight gas block so you can keep your irons while using a scope or pther optic. This gun was hardly shot by its previous owner.