Achieving a perfect zero is the foundation of marksmanship, saving you valuable time, ammunition, and frustration at the range. Whether you’re mounting a new optic or confirming your rifle’s zero before a hunt, a reliable bore sight is an indispensable tool for any gun owner. It provides a crucial starting point, getting you on paper quickly so you can spend more time fine-tuning your accuracy and less time making broad, wasteful adjustments.
With a variety of models available, from universal magnetic units to caliber-specific chamber inserts, selecting the right bore sighter can seem daunting. This roundup simplifies your search by highlighting the top ten models for 2025, focusing on key features like ease of use, compatibility, and laser visibility to help you find the perfect tool for your firearms.
Our Top Picks for Bore Sight Accuracy
- SiteLite Ultra Mag Green Laser Professional Boresighter
- Wheeler Professional Laser Bore Sighter with Magnetic Connection
- Sightmark .243, .308, 7.62×54 Boresight with Red Laser
- Wheeler Professional Laser Bore Sighter with Magnetic Connection
- EZshoot 9mm Laser Bore Sighter Red Laser Bore Sight
- Bushnell Magnetic Boresighter, Scope Alignment Boresight Tool
- Bore Sight Laser Professional Green Laser Bore Sight Kit
- CVLIFE Rechargeable Green Laser Bore Sight Magnetic Bore Sight
- EZshoot Laser Bore Sight for .223 Rem 5.56mm Red Dot Boresighter
- Frankford Arsenal Platinum Series Bore Sight
SiteLite Ultra Mag Green Laser Professional Boresighter
The SiteLite Ultra Mag stands out as a premium choice for shooters who demand superior accuracy. It is built to last with a lifetime warranty, providing long-term value and peace of mind. Its universal design fits a wide range of firearms, from a .22 cal all the way up to a .50 cal, including 20 and 12 gauge shotguns.
A significant advantage of this model is the inclusion of the SiteLite BTS program. This software allows you to generate a custom laser boresighting target tailored to your specific rifle and ammunition. This feature adds a layer of precision that can help you achieve a more accurate initial zero, saving even more time and rounds during the sighting-in process.
Wheeler Professional Laser Bore Sighter with Magnetic Connection
Wheeler’s Professional Laser Bore Sighter is designed for ease of use and reliable performance. Its key feature is a strong magnetic connection that quickly and securely attaches to the muzzle of virtually any rifle or handgun. This eliminates the need for multiple caliber-specific adapters, making it a versatile and convenient tool for a multi-gun owner.
Built for dependability, the laser module is permanently secured and hand-tuned during the manufacturing process. This attention to detail ensures consistent accuracy right out of the storage case. As a Class IIIR laser with a power output of less than 5mW, it provides a clear, visible point for zeroing your scope safely and effectively.
Sightmark .243, .308, 7.62×54 Boresight with Red Laser
For hunters and shooters who primarily use common hunting calibers, the Sightmark bore sight offers a straightforward and effective solution. This model is specifically designed for .243, .308, and 7.62×54 rifles, providing a precise fit for reliable alignment. Its durable construction is built to withstand the rigors of field use.
The primary benefit of this bore sighter is its ability to facilitate speedy zeroing. By using the bright red laser, you can quickly align your scope’s reticle, drastically reducing the number of shots needed to get on target at the range. This efficiency makes it an excellent value for anyone looking to streamline their optic setup process.
Wheeler Professional Laser Bore Sighter with Magnetic Connection
This model from Wheeler offers the same magnetic convenience and multi-caliber versatility as its counterpart. The powerful magnet provides a rock-solid connection to your firearm’s muzzle, ensuring the laser remains stable during the zeroing process. This reliability is crucial for achieving an accurate initial alignment.
Housed in a compact and protective storage case, this bore sighter is easy to transport and keeps all components secure. With a Class IIIa laser rating and a power output of less than 5mW, it is a safe and effective tool for both professional gunsmiths and recreational shooters looking to maintain their equipment.
EZshoot 9mm Laser Bore Sighter Red Laser Bore Sight
The EZshoot 9mm Laser Bore Sighter is a dedicated and affordable tool for owners of 9mm handguns and carbines. Its chamber-size design ensures a perfect fit in your 9mm firearm, promoting high laser accuracy for a quick and effective zeroing process. This can save a significant amount of time and money on ammunition.
A notable feature of this kit is the inclusion of three sets of batteries. With one set powering the red laser for up to an hour, you have ample power to sight in multiple firearms without worrying about a dead battery. The compact tin case makes it easy to store and transport to the range.
Bushnell Magnetic Boresighter, Scope Alignment Boresight Tool
The Bushnell Magnetic Boresighter takes a unique optical approach to scope alignment. Instead of a laser, it uses an etched glass grid reticle. You simply attach the unit to your barrel with its powerful magnet and look through your scope to align the crosshairs with the grid, making it compatible with a vast range of rifles, shotguns, and handguns.
This method is incredibly easy to use and requires no batteries, so it’s always ready when you need it. The solid magnetic attachment prevents movement, allowing for a stable reference point. Its broad compatibility with different firearms and scope styles makes it a universally handy tool for any shooter’s kit.
Bore Sight Laser Professional Green Laser Bore Sight Kit
This comprehensive kit is an excellent solution for shooters with a diverse collection of firearms. It includes 32 uniquely numbered adapters, covering an impressive range from .17HMR to 12GA. The clear instructions and organized adapters make selecting the correct one for your caliber a simple task, enhancing setup precision.
At the heart of the kit is a high-powered green laser, which is significantly more visible to the human eye than red lasers, especially in brighter conditions. This laser is visible up to 300 yards, making it ideal for long-distance zeroing. Built with advanced centering technology, it ensures consistent alignment to improve your shooting accuracy and conserve ammunition.
CVLIFE Rechargeable Green Laser Bore Sight Magnetic Bore Sight
The CVLIFE bore sighter combines the high visibility of a green laser with the modern convenience of a rechargeable battery. Its universal magnetic connection allows it to work with any gun caliber without the need for specific adapters. This design not only simplifies the process but also eliminates potential inaccuracies caused by poorly fitting adapters.
You will never need to buy batteries for this unit. It fully charges in just 1.5 hours and provides up to one hour of continuous laser use, which is more than enough for multiple sighting sessions. The large button switch is easy to operate, even with gloves on, making it a practical and user-friendly choice for range days or field use.
EZshoot Laser Bore Sight for .223 Rem 5.56mm Red Dot Boresighter
Designed specifically for the popular .223 Remington and 5.56mm NATO platforms, this EZshoot bore sighter offers a precise fit and high laser accuracy. Its sturdy brass construction is built to resist deformation, which is critical for maintaining long-term alignment consistency and ensuring reliable performance every time you use it.
This kit is generously equipped with four sets of batteries, providing a total of 12 LR41 batteries. This ensures you have power for more than six hours of cumulative use, making it an outstanding value. Whether you are zeroing a single AR-15 or multiple rifles, you can do so with the confidence that you won’t run out of power.
Frankford Arsenal Platinum Series Bore Sight
Frankford Arsenal is known for producing high-quality shooting accessories, and their Platinum Series Bore Sight is no exception. This tool is engineered for shooters who require precision and durability in their gunsmithing tools. It is designed to provide a reliable and accurate starting point for zeroing your optics.
While specific features may vary, Frankford Arsenal typically focuses on user-friendly designs that simplify the sighting-in process. This model likely incorporates thoughtful details that enhance its ease of use and effectiveness, making it a strong contender for anyone looking to add a trustworthy bore sight to their maintenance kit.
Buying Guide: How to Pick the Best Bore Sight for You
Choosing the right bore sight can feel a little overwhelming with all the options out there. I have found that the best way to narrow things down is to think about what you actually need from the tool. Are you a hunter who needs quick field adjustments, or a precision shooter looking for the absolute best starting point for a long-range session? Your answers will point you in the right direction.
The first and most important decision is the type. Laser bore sights are the most common. You drop a magnetic or arbor-style laser unit into your firearm’s chamber or muzzle, and it projects a red or green dot onto your target. This method is fast and lets you make initial adjustments without firing a shot. The other main type is an optical bore sight. These are small scopes you look through that align your rifle’s bore with your scope’s reticle. They don’t require batteries, which is a big plus, but they can be a bit trickier to use perfectly and often require a specific model for your caliber.
Next, consider caliber compatibility. Some bore sights are universal, using adjustable arbors to fit a wide range of calibers. This is great if you own several different firearms. Others are caliber-specific, which can offer a more precise and secure fit. I usually recommend a universal model for generalists and a specific one for someone who is deeply focused on a single rifle or caliber.
Laser color is another factor. Red lasers are standard and work well for most situations. However, green lasers are significantly more visible to the human eye, especially in bright daylight conditions. If you do a lot of zeroing outdoors, a green laser might be worth the extra cost. Just remember that green models tend to be a bit larger and drain batteries faster.
Finally, think about build quality and features. A cheap, flimsy bore sight won’t hold its zero and can cause more frustration than it’s worth. Look for units made from durable materials like machined aluminum. Features like a consistent activation mechanism (a button you press and hold versus one that turns on when you insert it) and a protective carrying case are signs of a well-thought-out product. By considering these factors—type, compatibility, laser color, and build—you can confidently select one of the 10 best bore sights in 2025 that fits your specific needs and budget.
Frequently Asked Questions
How accurate is a bore sight?
A bore sight is designed to get you on paper at a short distance, typically 25 or 50 yards. It’s a fantastic tool for a rough zero, saving you time and ammunition. However, it is not a substitute for live-fire zeroing. Factors like the bore sight’s own alignment, how securely it’s seated, and the inherent differences between a laser’s straight path and a bullet’s arched trajectory mean you must always confirm and fine-tune your zero by actually shooting at the range.
Can I use one bore sight for all my rifles?
Maybe. Many modern bore sights are marketed as “universal” and come with a set of arbors or spacers that allow them to fit a wide variety of calibers, from .22 up to .50 BMG. If you have a diverse collection, one of these universal kits is your best bet. Just make sure the kit you choose explicitly lists the calibers you own. For the utmost precision with a single, dedicated rifle, a caliber-specific model might offer a better fit.
What is the difference between a red and a green laser bore sight?
The core difference is visibility. The human eye is much more sensitive to green light than red light. This means a green laser dot will appear brighter and be easier to see, especially on a bright day at an outdoor range. The trade-off is that green laser modules are generally more complex, making the overall unit slightly larger and more expensive. They also consume battery power more quickly. For most indoor or low-light use, a red laser is perfectly sufficient.
Do I need to bore sight a brand new scope?
Yes, absolutely. When you mount a new scope, there is no guarantee that it is even remotely aligned with your rifle’s barrel. A bore sight allows you to quickly align the scope’s crosshairs with the barrel’s bore, getting your first shots on the target. This initial setup is a huge time and ammunition saver. It’s a fundamental first step before you even think about firing live rounds to confirm your zero.
Is an optical bore sight better than a laser one?
It depends on your priorities. Optical bore sights are simple, have no batteries to die, and can be very precise in the right hands. However, they require you to physically look through them and align the reticles, which has a learning curve and can be less intuitive. Laser bore sights are generally faster and easier for most people to use. You simply look through your scope and adjust the turrets until the crosshairs are on the laser dot. For a quick and easy initial zero, a laser is often the more practical choice, which is why they feature so prominently in any list of the top picks for accuracy.