Firefield Brass Red Laser In-Chamber Boresight

Featuring a durable, non-marring brass body and improved electronics, the Firefield® Brass Red Laser In-Chamber Boresight provides fast, frustration-free zeroing of your new rifle scope without wasting precious ammo. This caliber-specific laser boresight ensures a precise fit in your rifle's chamber for maximum accuracy and reliability. Operating on two AG13 button batteries (included), this boresight boasts an ultra-bright and daylight-visible red laser emitter for effective performance in any lighting condition and at varying ranges. Better yet, this boresight’s small, compact profile makes it easy to pack in any range bag without taking up valuable storage space.