Sightmark Laser Bore Sight 300 Winchester Magnum

Chamber the Sightmark .300 Boresight in your .300 rifle like a regular cartridge, and a red laser dot shows exactly where you're aiming. Ideal for hunters, competitive shooters and law enforcement, this device significantly reduces wasted cartridges and shells. Simply adjust your sights or scope, and save your extra ammo for the hunt. Includes a carrying case, three (3) AG3 batteries, and instructions.Specifications and Features:Batteries Included: YesBattery Type: AG3Battery: AG3Cartridge: 300 Winchester MagnumFinish: BrassLaser Color: RedLaser Range: 300 FeetOutput: 5MW