Bsb 17Item/Style# 669256001713 - BSB17
AimShot BSB17 17 HMR laser bore sight module with external battery box. Designed to make it quick and easy to bore sight your rifle chambered in 17HMR. Insert brass laser module into chamber and align scope reticle to match laser beam at 20 yards. Remove laser and proceed to the range for final adjustments at whatever range you want your zero.