The quick answer

We recommend the CVLIFE 32-Piece Laser Bore Sighter Kit for owners who want one alignment tool for several rifles, pistols, and shotguns. Price $40.89; $36.80 with code SEBASTIANBASSOL (10% off). Best for rifle, pistol, and shotgun owners who want a laser bore-sighting kit across multiple calibers.

Our verdict

A multi-caliber laser kit for getting an optic close to zero.

We recommend the CVLIFE 32-Piece Laser Bore Sighter Kit for owners who want one alignment tool for several rifles, pistols, and shotguns. The green version uses a 532nm laser and lists up to 10 hours of runtime; the red version uses 635nm and lists up to 48 hours. Both use two included CR2 batteries, and the kit includes adapters across the stated .17-caliber-to-12-gauge range. Bore sighting helps get an optic onto paper before live fire, but it does not confirm a zero. The product title and contents list disagree on the total piece count, so check the box contents with CVLIFE if the exact number of adapters matters.

A good fit forRifle, pistol, and shotgun owners who want a laser bore-sighting kit across multiple calibers
Choose another option ifYou need a live-fire zeroing replacement or want a clearly reconciled piece count and US laser output rating

What we like

  • One tool for a broad caliber range
  • Choose red or green
  • A fitted storage case

Keep in mind

  • The kit count does not reconcile
  • Bore sighting is only a starting point
  • Use the laser safely

The details that matter.

Manufacturer specifications for the configuration reviewed.

Caliber range
Manufacturer lists .17 caliber through 12 gauge
Laser
Green 532nm; red 635nm option
Listed runtime
Green up to 10 hours; red up to 48 hours
Power
2 × CR2 lithium batteries, 3V / 800mAh each (listed)
Body / length / weight
Aluminum alloy / 175mm / 0.415kg (listed)
Listed contents
Laser unit, 32 adapters, cone tube, batteries, tools, foam, and storage case; total count needs confirmation
Model / SKU
Model 307 · Green · APT00380100

Who should buy the CVLIFE bore sighter kit?

The kit suits owners who need a single alignment tool for multiple chamberings and gauge sizes. It is especially useful when a new optic needs to be brought close before range time.

Green and red versions

The selected green model uses a 532nm laser and lists up to 10 hours. CVLIFE also sells a red 635nm variant with up to 48 hours listed.

Adapters and the piece-count conflict

CVLIFE lists a range from .17 caliber through 12 gauge. The same page describes a 32-piece kit but lists one sighter, 32 adapters, and a cone tube, so the total count is unclear.

Batteries and storage

Two CR2 batteries are listed with the aluminum unit, which measures 175mm and weighs 0.415kg. The product gallery shows the components in a fitted case.

Price and the CVLIFE code

The green version was listed at $40.89 when checked. Our CVLIFE reader code applies at checkout; confirm the selected variant and current terms before paying.

Why we like it.

One tool for a broad caliber range

CVLIFE lists adapters from .17 caliber through 12 gauge, covering pistols, rifles, and shotguns.

Choose red or green

The green option lists up to 10 hours, while the red option lists up to 48 hours. Each uses the included pair of CR2 batteries.

A fitted storage case

The gallery shows the sighter, adapters, cone tube, and batteries organized in a foam-lined case.

A few things to consider.

The kit count does not reconcile

The page calls it a 32-piece kit, then lists one laser, 32 adapters, and a cone tube. Confirm the exact contents if you need a specific adapter.

Bore sighting is only a starting point

Use the laser to get close, then confirm the optic zero with live fire at a safe range.

Use the laser safely

Clear and verify the firearm is unloaded before using the tool. Never look into the beam or point it at people, animals, vehicles, or aircraft.

Ready when you are

Get the 32-Piece Laser Bore Sighter Kit.

Rifle, pistol, and shotgun owners who want a laser bore-sighting kit across multiple calibers. Check the current price and configuration with CVLIFE.

Shop CVLIFE · est. $36.80 with code

Your CVLIFE reader offer.

10% off with code SEBASTIANBASSOL at the official CVLIFE store.

See the CVLIFE code, terms & redemption steps

A few good questions.

What is the discount code for the CVLIFE 32-Piece Laser Bore Sighter Kit Fits .17-12GA?

The CVLIFE discount code is SEBASTIANBASSOL for 10% off at cvlife.com. That brings the CVLIFE 32-Piece Laser Bore Sighter Kit Fits .17-12GA to $36.80 ($40.89 before the code), before tax and shipping. Open the shop link, enter SEBASTIANBASSOL at checkout, and confirm the 10% off in the order summary. It is a permanent partner code that never expires.

What calibers does this bore sighter fit?

CVLIFE lists adapters from .17 caliber through 12 gauge.

What is the difference between the green and red versions?

The green version uses 532nm and lists up to 10 hours. The red version uses 635nm and lists up to 48 hours.

What batteries does it use?

CVLIFE lists two CR2 lithium batteries at 3V and 800mAh each.

Does bore sighting finish the zero?

No. It helps align the optic before shooting. Confirm the zero with live fire at a safe range.

How many pieces are included?

CVLIFE calls it a 32-piece kit, but the contents list one laser, 32 adapters, and a cone tube. Confirm the exact count with CVLIFE if it matters.

About this review

CVLIFE official product page, listed specifications, and store product data, with our editorial assessment. Product details checked October 20, 2026 against CVLIFE's official product listing. Shop the official CVLIFE store. Images courtesy of the manufacturer. Our editorial standards.