Best 15 9mm Bore Sights: Accurate Shooting from Any Angle

The right bore sight can make the difference between a satisfying shooting session and a frustrating experience. Our detailed roundup evaluates the most accurate 9mm bore sights available today, comparing their durability, visibility, and ease of installation to help you find the perfect fit for your handgun.

As an Amazon Affiliate we earn from qualified purchases at no cost to you!

Reviews

SPI 13-985-7 2.0” - 6.0” Electronic Bore Gage

This versatile electronic bore gage handles inspections from 2 to 6 inches, featuring precise 0.0001” resolution and auto-shutoff to conserve the included CR2032 battery. The compact unit, complete with carrying case, can switch between three different measuring systems and includes a range of accessories for tackling everything from tight 9mm sights to larger bores with its built-in wheel guide.

Lunati LUN205025 9mm Dial Bore Gauge

This precision gauge combines industrial-grade materials with an intuitive design for measuring bore size, straightness, and taper on automotive components. Its durable construction and accurate readings make it a valuable tool for maintaining engine quality, while the comfortable grip ensures precise measurements during use.

Mitutoyo 568-015 Bore Gage

This Mitutoyo bore gauge makes precise measurements between 9mm and 1/2 inch, with its digital display requiring an external indicator for full functionality. The steel contact point and anvil ensure durable performance for repeated measurements. The cable data output and absolute actuation provide reliable readings for both inch and metric measurements.

Mitutoyo 511-753-20 9mm Bore Gage

This inch-based bore gauge offers accurate measurements from 2 to 6 inches with a precision of 0.00008 inch. The included interchangeable anvils and spacers make it versatile for various bore sizes, though the plastic storage case could be more robust. The durable gauge has earned top ratings from users who appreciate its reliable performance and good value.

Mitutoyo 568-936 9mm Digital Bore Gauge Set

This digital bore gauge combines durable titanium-coated contact points with a 3-point detection method for measuring hole diameters between 2 and 4 inches. The intuitive LCD display switches seamlessly between inches and millimeters, storing measurements on a computer via SPC data output. The zero-setting feature ensures precise readings every time you use this reliable measuring tool.

Avid Bore-Max Speed Jag

This bore-max speed jag removes up to four times more copper and carbon than traditional shorter jags, leaving your barrel cleaner after every pass. The precise 9mm fit works in tandem with matching patches for optimal bore cleaning.

David White 46-D8897 Digital Theodolite

This digital theodolite combines 30x magnification with both horizontal and vertical angle measurement capabilities, featuring an accurate 5” resolution and IP 54 water resistance. The ergonomic design includes coaxial tangent screws and a built-in battery pack that detaches with a single action. The 9mm laser sight and 1° 30’ field of view ensure precise alignment in any environment, from construction sites to surveying projects.

Axcel LANDSLYDE Carbon Pro AV-31 Hunting Sight

At just over a pound, this carbon fiber hunting sight packs serious precision into a lightweight package. The ability to quickly adjust yardage and windage with the included pointers makes it a versatile addition for different shooting scenarios. Whether you’re tracking deer at 200 yards or making quick corrections in windy conditions, the Landslyde Carbon Pro Slider helps you hit your target with confidence.

Site-Lite SL-100 Mag Laser Boresighting System

The Site-Lite SL-100 combines simple setup with precision laser sighting technology for quick bore alignment. The magnetic system securely holds the device in place without touching the rifling, while the green laser dot provides clear, distance-safe targeting at 25 feet. Built for versatility, it works with both pistols and long guns, making it a valuable tool for home ranges and shooting enthusiasts.

GlobalPioneer 9mm Tactical Crossbow Arrow Bore Sighter

An unassuming device that solves the age-old problem of lost or damaged arrows - simply twist on the battery-powered laser end cap, place it on your arrow, and let the precise red dot guide your shot. Made from durable aluminum, this compact tool adds a high-tech touch to traditional archery without any complicated setup. Weighing just under an ounce, it’s light enough to forget it’s even there until you need that crucial extra bit of accuracy.

Hygoo Red Arrow Bore Sight

This handy little tool helps you line up your shots without firing an arrow, which is pretty clever. To use it, you just pop in two tiny batteries and attach it to your arrow – no more worrying about lost or damaged arrows. The red laser lights up your target so you can dial in your aim perfectly before you pull the trigger. It’s a smart addition to any archer’s setup, whether you’re a beginner or a pro.

Gotical Crossbow Laser Bore Sight

Aiming true at the range just got a lot easier with this steel-clad aluminum sighting tool. Simply clip it to your chest, pop in the batteries, and that class IIIA laser will point you in the right direction every time. The precision adjustability means your shots will group tighter than your favorite steakhouse’s signature ribeye.

Fieldsport GRG Archery Laser Sight

This compact archery laser sight tool combines precision with practicality for both bow and crossbow users. The 635nm red laser, operating at less than 5mW, offers clear target acquisition without excessive brightness that could give away your position. Its 223 bore sighter shape allows for quick, intuitive mounting while the lightweight design ensures minimal impact on your equipment.

Allen Crossbow Laser Boresighter

The Allen Crossbow Laser Boresighter uses a green laser beam that’s adjustable for elevation and windage, making it compatible with both scopes and open sights. It weighs just 0.2 pounds and includes batteries, though some users report issues with battery life. While not universally praised—several customers noted accuracy problems—many found it effective for quick scope tuning when it worked as intended.

Sightmark Sm39024 Triple Duty Universal Boresight Kit

The Sightmark Sm39024 Triple Duty Universal Boresight is a versatile and effective sighting tool that is designed for use with various caliber firearms. The device attaches to the end of a barrel magnetically, eliminating the need for any additional attachments that could get lost or misplaced. A self-centering arbor ensures that the boresight is securely attached to the barrel and aligns the laser dot for the sighting process. This eliminates the need to insert the boresight into the barrel, which can cause damage or misalignment.

The Triple Duty Universal Red Laser Boresight includes a carrying case, three AG3 batteries, and instructions for easy assembly and use. This boresight is recommended by the National Tactical Officers Association and the North American Hunting Club and is an excellent choice for sighting in a variety of firearms, from handguns to rifles and shotguns.

Buyer’s Guide

Sighted-in 9mm firearms require precise alignment between the bore axis and the point of impact. A bore sight is a critical tool that streamlines this process, offering several advantages over traditional sighting methods. This guide examines the key features and considerations for choosing the right 9mm bore sight to enhance your shooting accuracy and efficiency.

Key Features

9mm bore sights typically offer adjustable sight leafs for precise alignment, illuminated reticles for low-light environments, and ergonomic designs for improved grip. Some advanced models include adjustable windage and elevation knobs, while others feature interchangeable lens sizes for different distances.

Materials and Durability

The barrel extension, or “bore section, ” is usually made from metal for longevity and stability. High-quality sights feature durable plastics or glass components that resist fogging, scratching, and environmental damage. Look for corrosion-resistant materials and sealed electronics in illuminated models to ensure reliable performance.

Compatibility and Installation

9mm bore sights require specific barrel configurations, typically a 1-inch extension that aligns with the sight’s internal mechanisms. Some models offer universal fits, while others are designed for specific manufacturers or series. Installation usually requires basic tools and follows a simple three-step process: align the sight, mark the sight leaf position, and secure the extension.

Cost Considerations

Economical bore sights start at $30 and offer basic functionality, while premium models exceed $100 with advanced features like mil-dot reticles and adjustable illuminators. The additional cost often reflects superior materials, increased precision, and extended operational capabilities in challenging conditions.

FAQ

What is a 9mm bore sight?

A 9mm bore sight is a sighting device specifically designed for 9mm firearms. It helps align the firearm’s barrel with the target by providing precise aiming points and measurements.

These sights typically feature adjustable rings with concentric lines that indicate proper sighting alignment, helping shooters achieve accurate hits at various distances.

How does a 9mm bore sight work?

By placing the bore sight over the barrel, you can adjust the sight rings until the target appears centered between them. This alignment helps ensure the bullet’s trajectory matches the sight line when fired.

Most bore sights also include level indicators to account for barrel droop, which can affect accuracy, especially with longer guns or at greater distances.

What are the main benefits of using a 9mm bore sight?

These sights help new shooters develop proper sighting technique and improve accuracy quickly. They’re also invaluable for making quick adjustments to existing sights or verifying proper function.

By providing immediate visual feedback, bore sights can significantly reduce shooting time and improve confidence during practice sessions or competitions.

Who should use a 9mm bore sight?

Beginners and intermediate shooters can benefit from the clear sight alignment provided by bore sights. They’re particularly useful for target practice, close-range shooting, and short-barreled firearms.

Competitors and practical shooters may also find bore sights helpful for quick target acquisition and precise shot placement, especially in dynamic shooting scenarios.

How accurate are 9mm bore sights?

While bore sights are not precision measuring devices, they provide a reliable method for achieving sight alignment within a few inches at typical shooting distances. Their primary purpose is to help users achieve proper sighting technique.

For best results, combine bore sight use with proper shooting fundamentals and firearm maintenance to achieve consistent accuracy at the shooting range or during competitions.

How long do 9mm bore sights typically last?

Bore sights are generally made from durable materials like metal or plastic and can last several years with proper care. The lifespan depends on usage frequency and environmental conditions.

Most manufacturers recommend inspecting bore sights annually for wear and maintaining them in a protective case when not in use to ensure their accuracy and longevity.

As an Amazon Affiliate we earn from qualified purchases at no cost to you!