You can cut down on sight-in time when you use the Professional Boresighter Kit with Case from Bushnell. Use of this device aligns the muzzle with your scope's reticle to get you on paper quickly, saving you hassle at the range. Live fire is not necessary, so you can even use it indoors. This comprehensive kit includes a bore sight and three arbors all neatly packaged in a case for travel and storage.