Cut sight-in time.The x-ring boresighter will begin the sight-in process before firing a shot.The laser dot helps a shooter to align the scope or sights with the barrel.This makes the whole sight-in more efficient.Features a positive on/off switch to improve battery life.The allen company x-ring laser boresighter value pack includes a battery and mounting screws for easy assembly.*sized to fit.177 to.50 caliber rifles, or 12 and 20-gauge shotguns

Caliber: Multi
Material: Steel