Optimize your shooting experience with the Tiger Rock Inc. LBS762X39 Laser Bore Sighter, engineered for unmatched accuracy and reliability. This precision tool, crafted from high-grade aluminum, seamlessly fits into 7.62x39mm chambers, enabling expert adjustments to your optics and sights for the perfect aim. Fits 7.62x39mm Chambers Brass casing for durability LED Type: Visible red laser Laser wavelength: 635-655 nm Laser beam: < 5mW Sighting range: 20-30 yards Dot size: 1.5" @ 100 yards Requires (3) LR41 button cell batteries Enhance your shooting accuracy today with this essential tool for every enthusiast.