Laser Bore Sight Kit for .177 to 12GA Caliber Rifle Scope Handgun, Upgraded Green Laser BoreSighter with 30 Adapters for Hunting, Universal Laser Bore Sighter with Big Button Switch

【30 Adapters Are Suitable For More Models】: The laser bore sight kit Contains 30 adapters, JulyTek green laser bore sighter with multiple caliber can better fit for any .177-12GA caliber rifles, handguns, shotguns and scopes, meeting your various needs
【Clear and Bright Laser Beam】: Emit green bright laser beam ( Class IIIA laser, less than 5mW ), which is not easily affected by weather and has sighting longer rang, providing a precise reference for you to quickly and accurately zeroing your scopes, saving your time and money without any ammo
【Easy To Use】: Just choose right size adapter and place the laser unit in the muzzle.And only need few minutes to zero your scope. Notice: It is essential to manually calibrate the laser zero point before using, which is a crucial step to ensure to accurately aim at the target. Peel off the sticker on the head of the sight and there're 4 screw holes. After installing the sight into the barrel, it needs to be adjusted to zero through these 4 screw holes
【Big Press Button Switch + Longer Battery Life】: Our latest bore sight adds the press switch to convenient to control, just lightly press to turn on/off the laser; 800 mAh Large Capacity Battery - 2 sets of CR2 battery has ultra-long battery life and longer service life
【What You Get】: 1 * Green laser bore sight, 2 * 800mAh CR2 Batteries, 30 * Adapters(fit .177 to 12GA Caliber), 1 * Adapter Dimensions Sheet, 1 * Alignment Wrench, 1 * Screwdriver, 1 * Instructions