Real Avid Bore Sighting Laser – Green Laser Bore Sighter, Accurate High Visibility Bore Sight Laser, All Calibers Rifle Bore Sighter Kit. EASY SCOPE ZEROING: our bore sighting laser allows you to quickly get on paper. Simply attach bore sight laser to the barrel aim the laser on the target & align your scope crosshair point of impact. SAVE AMMO: bore sighting puts the sights or scope reticle close to the correct position without firing. It allows you to save time and ammunition on the range. ACCURATE: factory calibrated, precision laser bore sight tool gives you confidence of consistency and accuracy for bore sighting scopes, red dots and iron sights. GREEN LASER: high daylight visibility bore sight laser; can be used outdoors at 25yd depending on weather conditions Viz-Max features Class IIIa laser, with peak power output. STRONG MAGNET: securely attaches the boresighter kit to the barrel allowing to easily center the laser to the bore. Works with all guns with a steel barrel with a flat muzzle surface.