Laser BoreSighter with 12 Adapters.17 Calibers to 12 GA,Laser Bore Sighter with Button Switch and Suitable for Rifle Scope and Handgun Sight

Specifications: Material: Aluminum alloy. Small end Diameter: 4.3mm (0.169inch) Class: IIIa. Max. Output: ≤ 4.9mW. Wavelength: Red 630-680nm. Green 532nm. Batteries: CR2 3V 800mAh (non-rechargeable). Packing Includes: 1 x Boresighter 12 x Adapters (Fit barrels from .17 to 0.78) 2 x CR2 battery 1 x Screwdriver 【12 Adapters of Specifications】 [Adapter 1#]: .17 to .18 cal. [Adapter 2#]: .20 to .243 cal. [Adapter 3#]: .235 to .27 cal. [Adapter 4#]: .27 to .315 cal. [Adapter 5#]: .30 to .36 cal. [Adapter 6#]: .335 to .40 cal. [Adapter 7#]: .37 to .45 cal. [Adapter 8#]: .43 to .50 cal. [Adapter 9#]: .47 to .55 cal. [Adapter 10#]: .535 to .61 cal. [Adapter 11#]: .57 to .64 cal. [Adapter 12#]: .69 to .78 cal. NOTE Before make an order, please make sure that your gun matches our boresighter model. WARNING Keep green/red dot beam away from eyes. Before boresighting your scope, make sure that the firearm is unloaded and the barrel is pointed in a safe direction. After the scope is adjusted, turn off the power, make sure to remove the boresighter and adapter from the barrel.

• 【Caution】: Avoid the eyes to be exposed to the beam directly.
• [Light weight and durable]: The boresighter shell is made of aluminum alloy and manufactured by professional factory, and precision commissioning before delivery.It's light weight and durable.
• 【Wide Range Fittings】: 12 adapters will fit almost all barrels from .17 to 12ga. Never worry the adapter will be stuck in the barrel like old version rubber adapters.
• 【Easy to Use & Zeroing】: Very simple and easy to use. Install the adapter on the small end of the red dot boresight and insert the boresighter into the barrel. Only need few minutes to adjust your firearm sights. Press switch design is much easier to turn ON/OFF.
• 【Efficiency & Battery Life】: Increase the accuracy and speed to zero sight and scope for serious hunters, shooters, Policemen. Save both time and money by avoiding prolonged live fire tests at the range. And upgraded the battery - 2 CR2 battery has ultra-long battery life.