45% OFF CODE:A4HRFR26 【High Powered Red Laser】Our laser bore sight kit emits a clear and bright red laser, allows you to accurately aim at the target even in low visibility and intense sunlight.Class IIIA laser, less than 5mW. 【Magnetic Connection】 Our laser bore sight kit uses high-strength magnets, connected to the muzzle easily and quickly, avoiding the possibility of slipping due to unstable adsorption. It can be used in any caliber as long as it is a flat steel muzzle.