Tiger Rock 7.62x54mmR Cartidge Laser Bore Sighter Red. 62x54mmR Laser Bore Sighter is designed to work with 7.62x54mmR chambers. Tiger Research Inc. constructed these Bore Sights from high quality aluminum to ensure a perfect fit in the chamber for true aim with optics sights and in general gun handling. The Tiger Rock 7.62x54mmR Laser Bore Sighter Gauge is generally sighted in the chamber removed and resighted and then stored for future use. Remove the batteries to turn off the laser and store for future use. Otherwise you can look forward to owning this useful tool for various applications. Until now most 7.62x54mmR bore sights have only been utilized for military or law enforcement purposes though the technology is transferable to civilian guns. Now you can have the convenience of a bore sight and conveniently buy this Tiger Rock 7.62x54mmR Laser Bore Sighter- Rugged and rugged enough to serve as a bore sight for years to come. Specifications for Tiger Rock 7.62x54mmR Cartidge Laser Bore Sighter: Manufacturer: Tiger Rock Caliber: 7.62x54mm Russian Included Accessories: Standard Fabric/Material: Aluminum Battery Type: LR41 Finish: Metallic Color: Red Gun Model: Universal Beam Color: Red Battery Quantity: 3 Features of Tiger Rock 7.62x54mmR Cartidge Laser Bore Sighter Fits 762.54mmR Chambers; Laser wavelength: 635-655 nm; Laser beam: < 5mW; Sighting range: 20-30 yards; Dot size: 1.5" at 100 yards Package Contents: Tiger Rock 7.62x54mmR Cartidge Laser Bore Sighter (x3) LR41 Button Cell Battery Tiger Rock LBS762X54: 7.62x54mmR Cartidge Laser Bore Sighter Red