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Updated December 2021
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
StrongTools Hunting Red/Green Dot Boresight Kit
StrongTools
Hunting Red/Green Dot Boresight Kit
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Easiest to Use
Bottom Line

Just screw this boresighter in and it’s ready to use.

Pros

Offered in green and red laser light options. Set comes with 12 adapters for most calibers from .17 to 12 gauge. Made with quality components for durability. A simple on/off switch controls the sight. Designed to be easily installed and removed from your equipment and so that it won't get stuck in the barrel. Zeroing your scope takes only minutes with this sight.

Cons

Dangerous for your eyes if used incorrectly.

Best Bang for the Buck
MidTen Bore Sight Cal Red Dot Boresighter 223
MidTen
Bore Sight Cal Red Dot Boresighter 223
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Bargain Pick
Bottom Line

Simple and solid construction.

Pros

Looks and feels like top-quality despite its affordable price. This sight offers sturdy brass construction and features a Class IIIA laser that’s less than 5mW. This caliber-specific sight is made to fit the .223 chamber. Comes with two sets of AG3 batteries that can last up to 1.5 hours of continuous use. Designed for accuracy so you waste fewer cartridges. The range of this sight is from 15 to 100 yards.

Cons

Users report inconsistent results with this boresighter.

SiteLite Ultra Mag Green Laser Professional Boresighter
SiteLite
Ultra Mag Green Laser Professional Boresighter
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Feature-Packed
Bottom Line

Guaranteed lifetime precision.

Pros

A versatile option that fits all calibers from .22 to .50 caliber. Also works with shotguns from 12 to 20 gauge. Contains a small Class IIIA laser with an output below 5.0mW. Careful construction made to last, and a lifetime warranty for near-perfect accuracy. This sight comes with the SiteLite BTS program for printing out a laser boresighting target for your specific rifle and ammo.

Cons

The battery cap threads can oxidize at times.

Wheeler Professional Laser Bore Sighter
Wheeler
Professional Laser Bore Sighter
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Best for Experts
Bottom Line

Sturdy construction with useful features.

Pros

Made of machined aluminum with a soft rubber coating. This sight uses a Class IIIR laser with an output below 5mW. Attaches easily to the muzzle of the gun with a strong magnet. Works on any caliber rifle or handgun. The laser is hand-tuned during manufacturing for the greatest accuracy. Comes in red and green.

Cons

Some battery issues reported.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

59
Models
Considered
93
Consumers
Consulted
24
Hours
Researched
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