USB Rechargeable Laser Bore Sight Kit - Green Multi-Caliber

Our review of the USB Rechargeable Laser Bore Sight Kit finds it best suited for shooters who need fast, repeatable zeroing across many firearms. The single biggest reason to buy is the kit's 64 upgraded adapters and bright 520nm green beam, which let a user fit almost any barrel from.17 to 12 GA and sight in far more quickly than trial-and-error live-fire methods. The review highlights practical fit, battery runtime, and real-world accuracy rather than marketing claims, so readers can judge whether it matches their shooting needs.

Key Features

• 64 Upgraded Adapters: A wide set of manual knob adapters covers calibers from.17 to 12 GA so one kit can service pistols, rifles and shotguns without guessing which sleeve to use.
• Impeccable Accuracy: The bore sighter was tested across many firearm types and delivers tight visual alignment for fast, reliable zeroing before live fire.
• High-Power 520nm Green Laser: The ultra-stable green beam is bright enough for long-range zeroing and remains visible at extended distances for outdoor use.
• USB Rechargeable Battery: A high-capacity rechargeable cell supplies steady current for long runtime and short setup cycles, reducing ongoing battery expense.
• Quick Manual Knob Design: The adapters use a screw-knob interface that lets users swap and secure sleeves quickly with accurate centering in the bore.
• Marked Adapters: Each adapter is clearly marked with serial numbers and simple instructions to speed selection and reduce installation errors.

Who It's For

This kit is aimed at hunters, range shooters and law enforcement or instructors who maintain multiple firearms and want a single boresighter to cover pistols, rifles and shotguns. The broad adapter set and bright green laser suit those who need to zero at longer sighting distances or who want to reduce ammunition spent during initial zeroing.

Beginners will find the tool useful for learning bore alignment without wasting rounds, but those who rarely change calibers or own only one firearm might prefer a single-caliber boresighter for simplicity. If you require laser output beyond Class IIIA safety limits or specialized optical mounting, look elsewhere.

Pros & Cons

Pros

• Comprehensive adapter range that fits.17 to 12 GA barrels for multi-gun convenience.
• Bright 520nm green beam that improves visibility and speeds outdoor zeroing at distance.
• USB rechargeable battery with long continuous runtime, reducing the need for spare cells.

Cons

• Manual adapter installation requires care to center correctly; takes some practice to swap quickly between calibers.

Specifications

Brand	Visiofire
Laser Wavelength	520nm green
Adapter Count	64 upgraded manual knob adapters
Caliber Range	.17 to 12 GA
Power Source	USB rechargeable battery
Laser Class	Class IIIA (less than 5mW)

Our Verdict

The Visiofire USB Rechargeable Laser Bore Sight Kit is a practical, value-oriented choice for shooters who work with multiple calibers and want faster, cleaner zeroing. Its large adapter set, bright green beam and rechargeable battery make it a good investment for hunters and range regulars who want to save time and ammunition without sacrificing accuracy.

Frequently Asked Questions

Will this fit my rifle or shotgun?
The kit includes 64 adapters covering calibers from.17 to 12 GA, so it will fit the vast majority of pistols, rifles and shotguns when the correct adapter is used.

How long does the battery last?
Using the upgraded high-capacity battery the manufacturer states continuous use can last up to about 72 hours, making it suitable for extended workshop or range sessions.

Is the laser visible outdoors?
The 520nm green laser is designed for long-range visibility and is reported to remain visible at significant outdoor distances, improving sighting in daylight conditions.