Get meticulous accuracy with the Sight-Rite Chamber Cartridge Laser Bore Sighter for calibers from .17 to .50. Save time, money and ammunition by zeroing your firearm without firing a shot. Their precision machined caliber specific sighters deliver consistent unmatched results.
Precision machined brass casing for optimum accuracy
Caliber specific factory alignment
High output laser
Includes (3) three Alkaline button cell batteries (varies by caliber)