Aimshot bore sight.204 ruger redFEATURES–Caliber: .204 Ruger-Made w/ a solid & durable construction that we guarantee is zeroed in & requires no adjustment-Can be retro fitted w/ a battery pack to increase battery life from 10 minutes to over 20 hours.-Solid brass housing Other Features: Wavelength 650nm uses 3 button cell l736 batt approx.10 minutes in run time
