The BSA Boresighter Kit is a time and money-saving tool that simplifies the process of pre-zeroing your scope without ammunition. This comprehensive kit includes a range of popular calibers making it suitable for most rifles and handguns.BSA Multi-Caliber Boresighter KitVersatile solution that works with handguns rifles and shotgunsIncludes range of popular calibers for broad compatibilitySoft carrying case included for protection and portabilityLaser bore sight technology for accurate pre-zeroingPerfect for shooters who want to quickly and accurately pre-zero their scope before heading to the range for final adjustments saving both time and ammunition costs.