Sightmark 223 REMINGTON/5.56MM NATO BORESIGHTER

Tested and recommended by the National Tactical Officers Association, the Sightmark boresight significantly reduces wasted cartridges and shells. Chamber the device in your .223 rifle like a regular cartridge, and a red exactly where you're aiming. Simply adjust your sights or scope, and save your extra ammo for the hunt. Includes a carrying case, three AG3 batteries, and instructions.