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All products of the following link are 50% off with code "50ZYME63"
Package includes one bore sight and 2 sets of batteries (Total 6 batteries)
Super Long Battery Life: upgraded battery, made with new energy technologies, each set of battery can be used continuously for more than 2 hours
Made of sturdy brass construction, the boresighter is high quality
Faster gun zeroing and easy using, reduce cartridges and shells wasted
Class IIIA laser; 5mW or less