Achieving a perfectly zeroed optic is the foundation of precision shooting. It ensures that your point of aim matches your point of impact, whether you’re at the range or in the field. A quality bore sight is an essential tool for this process, allowing you to make critical initial adjustments without firing a single round. This not only saves significant time and ammunition but also builds confidence in your equipment before you ever step up to the firing line.
With numerous options available, from caliber-specific models to versatile universal kits, selecting the right bore sight can be daunting. The right choice depends on your firearm’s caliber, your preferred method of use, and the features you value most. This roundup simplifies your search by highlighting ten of the best bore sighting tools available, designed to help you achieve the accuracy and precision you demand from your setup.
Our Top Bore Sight Recommendations
- FSI Bore Sight 223 5.56mm Red Laser Boresighter
- Feyachi Laser Bore Sight 12 Gauge Red Dot Boresighter
- Sightmark .243, .308, 7.62×54 Boresight with Red Laser
- LaserLyte MBS-DLUX Universal Laser Bore Sight for .22-.50 Caliber
- StrongTools Red BoreSighter 177 to 12GA Caliber Rifle Scope
- Frankford Arsenal Platinum Series Case Trim and Prep System
- Bushnell Magnetic Boresighter, Scope Alignment Boresight Tool
- EZshoot Bore Sight Laser Kit for .17 to 12GA Caliber
- Ade Advanced Optics Premium 9MM Cartridge Laser Boresighter
- Wheeler Professional Laser Bore Sighter
FSI Bore Sight 223 5.56mm Red Laser Boresighter
For owners of .223 Remington or 5.56mm NATO rifles, this FSI bore sight offers a dedicated and precise solution. Its design allows it to sit perfectly in the bore, ensuring a consistent and accurate alignment every time you use it. The sturdy aluminum construction provides durability, making it a reliable tool you can count on for years.
With a sighting range of 15 to 100 yards, this tool is effective for both close-quarters zeroing and longer-range initial setups. It features a Class IIIa red laser with a maximum output of less than 5mW, providing a clear and visible point of aim without being overpowered. This model is an excellent choice for shooters who want a simple, effective, and caliber-specific boresighting tool.
Feyachi Laser Bore Sight 12 Gauge Red Dot Boresighter
Shotgun enthusiasts will appreciate the Feyachi Laser Bore Sight designed specifically for 12 gauge chambers. This caliber-specific tool simplifies the process of zeroing red dot sights or other optics on your shotgun, which is especially useful for tactical or hunting applications. The kit includes three sets of batteries, ensuring you have power when you need it.
Using this bore sight can drastically reduce the time and ammunition spent on live-fire zeroing. The less than 5mW red dot laser is easy to see on a target, allowing for quick adjustments to your sight. It’s a straightforward and effective accessory for any 12-gauge owner looking to add an optic to their firearm.
Sightmark .243, .308, 7.62×54 Boresight with Red Laser
The Sightmark boresighter is a trusted choice for popular hunting and precision rifle calibers like .243, .308, and 7.62x54R. It is engineered for pinpoint precision, helping you achieve an accurate zero for your scope. The durable construction promises reliable performance, making it a solid addition to your gun maintenance kit.
This tool is designed for speedy zeroing, allowing you to quickly align your gun sights without the need for repetitive shooting. By providing a reliable laser reference from your rifle’s bore, it gets you on paper faster, saving you valuable time and components at the range. It’s a straightforward solution for hunters and long-range shooters.
LaserLyte MBS-DLUX Universal Laser Bore Sight for .22-.50 Caliber
The LaserLyte MBS-DLUX stands out with its exceptional versatility and brightness. It includes a comprehensive set of caliber adapters, allowing it to fit a wide range of firearms from .22 to .50 caliber rifles and handguns, as well as 12- and 20-gauge shotguns. This makes it an ideal single-kit solution for shooters with a diverse collection.
It features a powerful 5mW Class 3A red laser, which is the brightest beam allowed by law, ensuring high visibility in various lighting conditions. The included carrying case keeps all the adapters and the main unit organized and protected. For those seeking a high-quality, all-in-one universal bore sighting system, the LaserLyte is a top contender.
StrongTools Red BoreSighter 177 to 12GA Caliber Rifle Scope
The StrongTools BoreSighter is a universal kit designed to accommodate an impressive range of calibers, from .17 to 12 gauge. It comes with 12 different adapters that are engineered to fit securely without getting stuck in the barrel. This press-switch design offers a simple and reliable way to activate the laser.
This tool is built for efficiency, helping hunters, shooters, and law enforcement personnel increase their sighting speed and accuracy. By using this bore sight, you can significantly reduce the time and expense associated with prolonged live-fire tests. The integrated 800mAh battery also promises extended use between charges or replacements.
Frankford Arsenal Platinum Series Case Trim and Prep System
While not a traditional bore sight, the Frankford Arsenal Platinum Series system is a precision tool crucial for ammunition consistency, which directly impacts accuracy. This case trim and prep system indexes cases on the shoulder for exceptional speed and precision during the reloading process. Consistent case length is vital for uniform bullet seating and overall cartridge performance.
The adjustable collet system is highly versatile, working with all shouldered cases from .17 Remington to .460 Weatherby. The hardened high-speed steel (HSS) cutters are built to last, staying sharp for thousands of rounds. For the serious reloader, this system is an investment in producing high-quality, accurate ammunition.
Bushnell Magnetic Boresighter, Scope Alignment Boresight Tool
The Bushnell Magnetic Boresighter offers a unique and user-friendly approach to optic alignment. Instead of inserting into the bore, it attaches to the muzzle of your firearm using a powerful magnet, making it compatible with most rifles, shotguns, and handguns. This design is quick to set up and avoids any contact with the rifling.
You look through your optic to align the crosshairs with the etched glass grid reticle on the boresighter. This method provides a stable reference point for getting your scope dialed in quickly before fine-tuning at the range. Its broad compatibility and simple operation make it a popular choice for many shooters.
EZshoot Bore Sight Laser Kit for .17 to 12GA Caliber
The EZshoot Bore Sight Laser Kit is an upgraded universal option that emphasizes accuracy, stability, and user convenience. It is designed to work with calibers from .17 to 12 gauge, making it suitable for a vast array of firearms. The improved laser module offers a longer sighting range for reliable use.
This kit features a large, sensitive button switch for easy one-press operation. It is powered by upgraded CR2 batteries that are selected for their long life and reliable performance. For those looking for a modern, easy-to-use universal bore sight with a focus on battery longevity, the EZshoot kit is a strong candidate.
Ade Advanced Optics Premium 9MM Cartridge Laser Boresighter
This Ade Advanced Optics boresighter is crafted to look and feel like an actual 9mm cartridge, making it incredibly easy to use with 9mm handguns and PCCs (Pistol Caliber Carbines). Simply chamber the unit like a regular round, close the action, and the laser is automatically activated and aligned. The brass construction ensures durability and a proper fit.
It features a safe and highly visible Class IIIA red laser with a wavelength of 532nm. The laser is bright enough to be seen at a considerable distance, especially in low-light conditions. This tool is an excellent choice for pistol owners and competitive shooters who need a quick and realistic way to zero their optics.
Wheeler Professional Laser Bore Sighter
The Wheeler Professional Laser Bore Sighter is a tool designed for the serious shooter who demands precision. Wheeler is a respected name in the firearms tools industry, known for producing high-quality products for gunsmithing and maintenance. This model is built to offer reliable and repeatable results.
It typically features a universal design with multiple arbors to fit a wide range of calibers, providing great versatility. The laser is engineered for accuracy, helping you get your scope or sights dialed in quickly and efficiently. For those who prefer equipment from established professional brands, the Wheeler bore sighter is a reliable option to consider.
Buying Guide: How to Choose the Best Bore Sight for Precision & Accuracy
When I need to get my rifle on paper quickly and efficiently, a good bore sight is my go-to tool. It saves me a ton of time and ammunition at the range. But with so many options out there, picking the right one can be a task. Let me walk you through what I look for when choosing the best bore sight for precision and accuracy.
First, you need to decide on the type. I generally see three main categories. Laser bore sights are the most common. You insert a small, collimated laser unit directly into the chamber or muzzle, and it projects a dot onto your target. They are fantastic for quick initial alignment, especially in low-light conditions. Then there are arbor-style bore sights. These are physical, spud-like tools with a pre-aligned optical scope. You insert different-sized arbors to fit your specific bore diameter. I find these to be incredibly precise for the initial zeroing process. Finally, some modern scopes offer digital or magnetic bore sighting systems that attach to the muzzle, but these are less common for the average user.
The next critical factor is caliber compatibility. This one is simple: the bore sight must fit your firearm correctly. For laser models, this often means getting a specific model for your cartridge (like .223 or .308) or a universal kit with multiple adapters. A poor fit will lead to an inaccurate projection and defeat the whole purpose. For arbor styles, you need to ensure the kit includes the correct arbor size for your barrel’s internal diameter. I always double-check the product specifications against my firearm’s caliber before buying.
Another thing I always consider is the power source and battery life. Most laser bore sights run on small, watch-style batteries. It is a huge help to find a model with a clear indicator for battery life or one that is easy to turn on and off. There is nothing more frustrating than getting to the range only to find your laser is dead. Some higher-end models might feature rechargeable batteries, which can be a great long-term investment.
Finally, think about build quality and additional features. A bore sight is a precision instrument, so a durable, metal-bodied laser or a well-machined arbor set will last much longer than a cheap plastic one. Look for features like a consistent activation mechanism (a button vs. a twist-on function) and whether it comes with a protective carrying case. A good case not only keeps everything organized but also protects your investment from bumps and drops in your range bag. By focusing on these key areas—type, compatibility, power, and build—you can confidently select a tool that will provide the precision and accuracy you need for a perfect zero.
FAQ
What is the main advantage of using a bore sight?
The biggest advantage for me is the massive savings in time and ammunition. Instead of firing multiple rounds and walking downrange to adjust my scope repeatedly, a bore sight gets my rifle on the paper, and often very close to the bullseye, in just a minute or two. It is a crucial first step that makes the live-fire zeroing process much faster and more efficient.
Can a bore sight replace live-fire zeroing?
No, and this is a very important point. A bore sight is a fantastic tool for getting you close, but it should never be considered a replacement for final zeroing with live ammunition. Factors like barrel harmonics, ammunition type, and shooter technique can all affect the point of impact. I always use my bore sight for a rough zero at home or in the booth, and then I confirm and fine-tune that zero on the range with actual shots.
Are laser or arbor-style bore sights more accurate?
This is a common debate. In my experience, a high-quality arbor-style bore sight can often provide a slightly more consistent and mechanically precise initial alignment because it relies on a physical fit within the bore. However, modern, well-made laser bore sights are exceptionally good and are more than accurate enough for the vast majority of shooters. The convenience of the laser often makes it my personal choice for a quick setup.
How far away should I set my target when bore sighting?
I typically set my target at 25 yards. The goal is to get the crosshairs of my scope aligned with the laser dot or the center of the arbor tool’s scope. Starting at 25 yards makes any misalignment very obvious and easy to correct. Once I am aligned at 25, I am usually very close to being on target at 100 yards, which makes the final live-fire process much smoother.
Do I need a different bore sight for every caliber I own?
Not necessarily. Many laser bore sights are sold as universal kits that come with a variety of arbors or caliber-specific inserts. If you own several firearms in different calibers, one of these kits is a smart purchase. If you only own one or two calibers, you might find it more cost-effective to buy individual, caliber-specific models. It all depends on your collection and needs.
Why is my laser bore sight projecting a blurry or inconsistent dot?
A blurry dot is usually a sign of one of two things. First, the battery could be low. This is the most common cause, so I always start by replacing it with a fresh one. Second, the bore sight might not be sitting perfectly straight in the chamber or muzzle. Ensure it is seated correctly and that there is no debris obstructing a clean fit. A wobbly fit will always result in an inaccurate point of reference. For anyone looking for the 10 best bore sight in 2025 for precision & accuracy, paying attention to a secure fit is key.