The Tiger Rock Inc. LBS7MM 7mm Laser Bore Sighter is engineered for precision aiming, perfect for shooting enthusiasts demanding accuracy. Made from high-quality aluminum, it seamlessly fits into 7mm chambers, ensuring a reliable performance for optimizing optics and sights. With its striking metallic red finish, this bore sighter not only stands out but also features a visible red laser that operates effectively within a range of 20-30 yards. Achieving your target has never been easier, with a 1.5" dot size at 100 yards for utmost precision. Fits 7mm Chambers Metallic red finish High quality aluminum casing 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) LR936/AG69 button cell batteries Elevate your shooting precision with the Tiger Rock Inc. LBS7MM 7mm Laser Bore Sighter today.