Okeba Red Dot Accurate Laser Bore Sighter Boresighter Collimator for 0.22 to 0.50 Caliber Cartridge Sights & Riflescopes
Red laser dot suit for darklight or indoor, visual range up to 300yardWavelength: 630-680mmMax Output: < 5mWColor: blackLength: 155mmHead Dia: 16mmTail Dia: 5mmWeight: 29gPackage included:1 x Laser Bore1 x Screwdriver1 x Installation Stick4 x Adjustable Adapters3 x AG13 Batteries1 x User ManualNOET 1: If the item can't work when you install the battery, please change the direction of battery and try it againNOTE 2: the rubber adapter can be expandedTrademark OKEBA products are marketed exclusively by USA OKEBA INC.