Sightmark Laser Bore Sight - Precision Red Dot Boresighter for Accurate Zeroing and AlignmentSightmark$35.97
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Sightmark
The Sightmark Triple Duty Universal Green Bore Sight is a laser alignment tool designed to get your rifle or pistol zeroed quickly—without burning through rounds at the range. This bore sighter works on rifles and pistols from .17 to .50 caliber, making it a genuinely universal choice for hunters, competitive shooters, and anyone who wants to dial in a scope or sight with confidence. Instead of firing repeated shots to find zero, you insert the retractable arbor into your barrel, let the magnetic base lock on, and a green laser dot shows you exactly where your barrel is pointing. That means you can dial your scope before ever stepping up to live fire.
The core advantage here is speed and efficiency. Rather than wasting ammunition chasing zero, you get your baseline alignment dialed in at 15 to 150 yards, then head to the range for just a few shots to confirm and fine-tune. The retractable arbor centers itself automatically, so there's no guesswork about bore alignment. You're looking at a compact, aluminum-bodied tool that runs on batteries (rated for up to 1 hour of operation) and fits in the included carrying pouch—practical whether you're working at the bench or in the field. The green laser dot is visible and precise, with a 2-inch dot size at 100 yards, giving you a clear aiming reference for setup and adjustment.
This is a straight-forward tool that does one job well: save you time and ammo by establishing accurate bore alignment before live fire. It's especially valuable if you're setting up multiple rifles or if you shoot enough to feel the cost of zeroing in the round count. No mystery, no fluff—just laser-guided accuracy from a brand trusted by shooters across the discipline spectrum.
| Laser Wavelength | 532 nm (green) |
| Laser Type | Visible green laser |
| Power Output | <5 mW |
| Battery Life | Up to 1 hour |
| Effective Sighting Range | 15–150 yards |
| Dot Size @ 100 yards | 2 inches |
| Compatible Calibers | .17 to .50 |
| Construction Material | Aluminum |
| Operating Temperature Range | −10 to 50°F |
| Controls | On/off switch |
| Included Accessories | Carrying pouch |
Yes. The Sightmark Triple Duty Universal bore sight is designed for any rifle or pistol chambered in calibers from .17 to .50, so it covers virtually all common centerfire and rimfire options.
The bore sight is effective at ranges from 15 to 150 yards. Most shooters use it at close distance (10–25 feet) indoors or at the bench to establish initial alignment before heading to the range for final zeroing.
The Sightmark Triple Duty Universal bore sight comes with a protective carrying pouch for storage and transport.
Battery life is rated for up to 1 hour of continuous operation, which is more than enough for multiple rifles or pistols in a single session.
Sightmark
The Sightmark Triple Duty Universal Green Bore Sight is a laser alignment tool designed to get your rifle or pistol zeroed quickly—without burning through rounds at the range. This bore sighter works on rifles and pistols from .17 to .50 caliber, making it a genuinely universal choice for hunters, competitive shooters, and anyone who wants to dial in a scope or sight with confidence. Instead of firing repeated shots to find zero, you insert the retractable arbor into your barrel, let the magnetic base lock on, and a green laser dot shows you exactly where your barrel is pointing. That means you can dial your scope before ever stepping up to live fire.
The core advantage here is speed and efficiency. Rather than wasting ammunition chasing zero, you get your baseline alignment dialed in at 15 to 150 yards, then head to the range for just a few shots to confirm and fine-tune. The retractable arbor centers itself automatically, so there's no guesswork about bore alignment. You're looking at a compact, aluminum-bodied tool that runs on batteries (rated for up to 1 hour of operation) and fits in the included carrying pouch—practical whether you're working at the bench or in the field. The green laser dot is visible and precise, with a 2-inch dot size at 100 yards, giving you a clear aiming reference for setup and adjustment.
This is a straight-forward tool that does one job well: save you time and ammo by establishing accurate bore alignment before live fire. It's especially valuable if you're setting up multiple rifles or if you shoot enough to feel the cost of zeroing in the round count. No mystery, no fluff—just laser-guided accuracy from a brand trusted by shooters across the discipline spectrum.
| Laser Wavelength | 532 nm (green) |
| Laser Type | Visible green laser |
| Power Output | <5 mW |
| Battery Life | Up to 1 hour |
| Effective Sighting Range | 15–150 yards |
| Dot Size @ 100 yards | 2 inches |
| Compatible Calibers | .17 to .50 |
| Construction Material | Aluminum |
| Operating Temperature Range | −10 to 50°F |
| Controls | On/off switch |
| Included Accessories | Carrying pouch |
Yes. The Sightmark Triple Duty Universal bore sight is designed for any rifle or pistol chambered in calibers from .17 to .50, so it covers virtually all common centerfire and rimfire options.
The bore sight is effective at ranges from 15 to 150 yards. Most shooters use it at close distance (10–25 feet) indoors or at the bench to establish initial alignment before heading to the range for final zeroing.
The Sightmark Triple Duty Universal bore sight comes with a protective carrying pouch for storage and transport.
Battery life is rated for up to 1 hour of continuous operation, which is more than enough for multiple rifles or pistols in a single session.