GSM Site-Rite Chamber Cartridge Laser Bore Sighter .357/.38 Spl

Get meticulous accuracy with the most exacting tolerance specifications in the sighting industry. From the very smallest to the largest 12 gauge casing, the GSM Site-Rite precision machined caliber specific sighters deliver unparalleled results every single time.

• Precision machined brass casing for optimum accuracy
• Caliber specific factory alignment
• High output laser
• Units include (3) three Alkaline button cell batteries (varies by caliber)