Tiger Rock 7mm Laser Bore Sighter Red. Tiger Rock constructed these Bore Sights from high quality aluminum for a durable yet lightweight device. The Tiger Rock 7mm Ammo Bore Sighter produces a 635-655 nm wavelength of their laser beam projecting a bright and visible dot that you can easily aim at for improved accuracy with minimal to no training. Whether you're aligning a scope or sights or sighting in a new Rifle Scope the Tiger Rock 7mm Bore Sighter is an incredibly handy tool that will assist your aim in any situation. Save ammo and eliminate the need to manually sight in your firearm with this Tiger Rock 7mm Laser Bore Sighting Device. Specifications for Tiger Rock 7mm Laser Bore Sighter: Manufacturer: Tiger Rock Included Accessories: Standard Fabric/Material: Aluminum Finish: Metallic Color: Red Gun Model: Universal Beam Color: Red Battery Quantity: 3 Features of Tiger Rock 7mm Laser Bore Sighter Fits 7mm Chambers; High quality aluminum casing; Laser wavelength: 635-655 nm; Laser beam: < 5mW; Sighting range: 20-30 yards; Dot size: 1.5" at 100 yards Package Contents: Tiger Rock 7mm Laser Bore Sighter (x3) LR936 Button Cell Battery Tiger Rock LBS7MM: 7mm Laser Bore Sighter Red