Bushnell Boresighter Magnetic Collimator
Bushnell's Magnetic Collimator is a cost-effective, rugged boresighting solution that uses a magnetic mount for fast, repeatable alignment — ideal when quickly aligning rangefinders to a rifle's bore. Compared with the laser-centric options on this list it sacrifices long-distance beam visibility for simplicity and affordability, making it a practical choice for field use and budget-conscious technicians.
Magnetic quick-attach
Compact collimator body
Magnetic quick-attach
Compact collimator body
Review Summary
"Users praise the Bushnell Magnetic Collimator for its solid build and easy magnetic mounting, calling it a fast, reliable way to get on paper quickly. Some note it’s less precise than laser options for fine zeroing but excellent for initial alignment."
Steady hold — magnet hugs
Magnetic collimator mounts quickly to ferrous rifle surfaces for fast alignment checks with rangefinders.
Steady hold — magnet hugs
Magnetic collimator mounts quickly to ferrous rifle surfaces for fast alignment checks with rangefinders.
Time-Saving Convenience
Skill Development & Mastery
Bushnell's Magnetic Collimator is a cost-effective, rugged boresighting solution that uses a magnetic mount for fast, repeatable alignment — ideal when quickly aligning rangefinders to a rifle's bore. Compared with the laser-centric options on this list it sacrifices long-distance beam visibility for simplicity and affordability, making it a practical choice for field use and budget-conscious technicians.
Magnetic quick-attach
Compact collimator body
Steady hold — magnet hugs
Magnetic collimator mounts quickly to ferrous rifle surfaces for fast alignment checks with rangefinders.
Optical reticle provides a clear reference to align scopes and laser rangefinder aiming points.
Magnetic quick-attach
Compact collimator body
Steady hold — magnet hugs
Magnetic collimator mounts quickly to ferrous rifle surfaces for fast alignment checks with rangefinders.
Optical reticle provides a clear reference to align scopes and laser rangefinder aiming points.
$60-100 USD
Leupold Zero Point Illuminated Boresighter
Leupold's Zero Point Illuminated Boresighter delivers an illuminated reticle-style alignment with high optical quality and fine centering controls, providing exceptional precision when calibrating rangefinders and illuminated optics. It sits at a premium price versus basic lasers, but its superior reticle clarity and repeatable adjustments make it the preferred option for professionals and serious shooters who require pinpoint accuracy.
Illuminated pinpoint dot
Zero-point accuracy
Illuminated pinpoint dot
Zero-point accuracy
Review Summary
"Buyers consistently highlight the Leupold Zero Point Illuminated Boresighter for its accuracy, rugged construction, and clear illuminated reticle; it’s regarded as a premium, dependable tool. A few users mention the higher price but say performance justifies the cost."
Night-ready — glows like ember
Illuminated reticle enhances visibility for precise alignment in low-light conditions when calibrating rangefinders.
Night-ready — glows like ember
Illuminated reticle enhances visibility for precise alignment in low-light conditions when calibrating rangefinders.
Time-Saving Convenience
Skill Development & Mastery
Recreational Enjoyment
Leupold's Zero Point Illuminated Boresighter delivers an illuminated reticle-style alignment with high optical quality and fine centering controls, providing exceptional precision when calibrating rangefinders and illuminated optics. It sits at a premium price versus basic lasers, but its superior reticle clarity and repeatable adjustments make it the preferred option for professionals and serious shooters who require pinpoint accuracy.
Illuminated pinpoint dot
Zero-point accuracy
Night-ready — glows like ember
Illuminated reticle enhances visibility for precise alignment in low-light conditions when calibrating rangefinders.
Universal/adaptable fit works with a wide range of calibers and scope configurations for repeatable zeroing.
Illuminated pinpoint dot
Zero-point accuracy
Night-ready — glows like ember
Illuminated reticle enhances visibility for precise alignment in low-light conditions when calibrating rangefinders.
Universal/adaptable fit works with a wide range of calibers and scope configurations for repeatable zeroing.
$140-220 USD
Wheeler Professional Laser Bore Sighter
Wheeler's Professional Laser Bore Sighter is a durable, caliber-adaptable laser system built for gunsmiths and advanced shooters, offering cartridge-matched fitments and adjustable laser output for reliable rangefinder and scope alignment. It occupies a strong mid-market position — more feature-rich and flexible than the simplest magnetic collimators but generally more affordable than premium illuminated boresighters.
Pinpoint laser accuracy
Rugged aluminum chassis
Pinpoint laser accuracy
Rugged aluminum chassis
Review Summary
"The Wheeler Professional Laser Bore Sighter is frequently commended for its bright laser, easy use, and good value; reviewers report it speeds up zeroing and holds up with regular use. Some users experienced occasional alignment or battery issues but overall satisfaction is high."
Setup in seconds — pro-speed
Laser output provides an exact point-of-aim for remote alignment of rifles and laser-based rangefinders.
Setup in seconds — pro-speed
Laser output provides an exact point-of-aim for remote alignment of rifles and laser-based rangefinders.
Skill Development & Mastery
Time-Saving Convenience
Recreational Enjoyment
Wheeler's Professional Laser Bore Sighter is a durable, caliber-adaptable laser system built for gunsmiths and advanced shooters, offering cartridge-matched fitments and adjustable laser output for reliable rangefinder and scope alignment. It occupies a strong mid-market position — more feature-rich and flexible than the simplest magnetic collimators but generally more affordable than premium illuminated boresighters.
Pinpoint laser accuracy
Rugged aluminum chassis
Setup in seconds — pro-speed
Laser output provides an exact point-of-aim for remote alignment of rifles and laser-based rangefinders.
Comes with multiple bore adapters to support common calibers and quick caliber changes.
Pinpoint laser accuracy
Rugged aluminum chassis
Setup in seconds — pro-speed
Laser output provides an exact point-of-aim for remote alignment of rifles and laser-based rangefinders.
Comes with multiple bore adapters to support common calibers and quick caliber changes.
$120-180 USD
Vortex Optics CF-RD1 Red Dot Calibration Tool
Vortex's CF-RD1 Red Dot Calibration Tool is engineered for precise zeroing and calibration of red-dot sights and short-range rangefinders, featuring rugged construction and repeatable indexing that pairs tightly with Vortex mounts and accessories. Though typically higher in cost than generic laser boresighters, it offers best-in-class durability and workflow integration that justify the investment for users focused on consistent, long-term calibration performance.
Red-dot sim precision
Tool-free adjustment
Red-dot sim precision
Tool-free adjustment
Review Summary
"Vortex’s CF-RD1 red dot calibration tool receives strong marks for precise calibration, solid construction, and intuitive operation, matching Vortex’s reputation for quality. A minority cite the premium price, but most say it delivers accurate, repeatable results."
Zero fast — dot whisperer
Specifically designed to calibrate red-dot sights and align them with rangefinder aiming systems.
Zero fast — dot whisperer
Specifically designed to calibrate red-dot sights and align them with rangefinder aiming systems.
Skill Development & Mastery
Time-Saving Convenience
Vortex's CF-RD1 Red Dot Calibration Tool is engineered for precise zeroing and calibration of red-dot sights and short-range rangefinders, featuring rugged construction and repeatable indexing that pairs tightly with Vortex mounts and accessories. Though typically higher in cost than generic laser boresighters, it offers best-in-class durability and workflow integration that justify the investment for users focused on consistent, long-term calibration performance.
Red-dot sim precision
Tool-free adjustment
Zero fast — dot whisperer
Specifically designed to calibrate red-dot sights and align them with rangefinder aiming systems.
Compact, stable alignment target simplifies quick on-gun adjustments and verification.
Red-dot sim precision
Tool-free adjustment
Zero fast — dot whisperer
Specifically designed to calibrate red-dot sights and align them with rangefinder aiming systems.
Compact, stable alignment target simplifies quick on-gun adjustments and verification.
$80-130 USD
SiteLite Ultra Mag Green Laser Boresighter
SiteLite's Ultra Mag Green Laser Boresighter combines a highly visible green laser with a strong magnetic mount for quick, daylight-friendly alignment, making it an economical choice when bright-beam visibility is necessary for rangefinder calibration. It undercuts many premium units on price while outperforming red lasers in daytime visibility, though it does not offer the fine reticle adjustments of higher-end illuminated boresighters.
Ultra-bright green beam
Magnetic mount fit
Ultra-bright green beam
Magnetic mount fit
Review Summary
"The SiteLite Ultra Mag Green Laser Boresighter is appreciated for its very visible green beam and ease of use, making initial alignment quick; however, some reviewers report durability and fitment issues in certain barrels. Overall it’s seen as a practical, budget-friendly laser option."
Long-range punch — green powerhouse
Bright green laser offers superior visibility in daylight for aligning scopes and laser rangefinders at distance.
Long-range punch — green powerhouse
Bright green laser offers superior visibility in daylight for aligning scopes and laser rangefinders at distance.
Time-Saving Convenience
Recreational Enjoyment
Skill Development & Mastery
SiteLite's Ultra Mag Green Laser Boresighter combines a highly visible green laser with a strong magnetic mount for quick, daylight-friendly alignment, making it an economical choice when bright-beam visibility is necessary for rangefinder calibration. It undercuts many premium units on price while outperforming red lasers in daytime visibility, though it does not offer the fine reticle adjustments of higher-end illuminated boresighters.
Ultra-bright green beam
Magnetic mount fit
Long-range punch — green powerhouse
Bright green laser offers superior visibility in daylight for aligning scopes and laser rangefinders at distance.
Magnetic/self-centering adapters fit multiple calibers for fast setup and accurate bore-to-sight alignment.
Ultra-bright green beam
Magnetic mount fit
Long-range punch — green powerhouse
Bright green laser offers superior visibility in daylight for aligning scopes and laser rangefinders at distance.
Magnetic/self-centering adapters fit multiple calibers for fast setup and accurate bore-to-sight alignment.
$100-180 USD