Achieve precision in your shooting with the Tiger Rock Inc. LBS300 .300 Cartridge Laser Bore Sighter (RED). Engineered for optimal performance, this tool enhances your aiming accuracy and simplifies sight adjustments. Crafted from lightweight aluminum, it securely fits into .300 chambers, delivering consistent reliability. The powerful red laser emits a wavelength of 635-655 nm, enabling effective visibility at 20-30 yards and producing a dot size of 1.5 inches at 100 yards. Fits .300 Chambers Durable brass casing Visible red laser LED Laser wavelength: 635-655 nm Laser beam power: < 5mW Sighting range: 20-30 yards Dot size: 1.5" @ 100 yards Requires (3) LR936/AG9 button cell batteries Optimize your shooting experience with the LBS300, ensuring accuracy with every shot.