7.62x39 Laser Bore Cartridge Easy to Use Helps with Zeroing Your Optics

7.62x39 Laser Bore Cartridge - Fits 7.62x39 firearms ( 47/ M/ SKS) Red Laser: 635-655nm, Max output <5mw, Class IIIa Laser Easy to use, just install the batteries into the Laser cartridge and screw on the base, which turns the laser on. Remove Batteries to turn unit off Factory Pre-Aligned Cartridge Bore Sighters, helps with Zeroing your optics Aluminum Construction Batteries Included Length: 1.7" Weight: 0.3 oz