Sightmark Triple Duty Universal Laser Boresight (.17-.50 cal, Red)

The Sightmark Triple Duty Universal Laser Boresight is a compact laser alignment tool intended to simplify sighting in optics and iron sights for a wide range of firearms. It is built to engage the muzzle end with a self-centering arbor and a magnetic base to aid repeatable placement without inserting items into the bore. The unit is described by the manufacturer as compatible with multi-caliber firearms and is supplied with a carrying case and a battery pack.

Key Specifications

• Works with firearms chambered in .17–.50 caliber.
• Mounts at the muzzle for end-of-barrel placement.
• Constructed from aluminum.
• Finished in black.
• Function: laser boresighter for sighting and zeroing optics.
• Overall dimensions are 1.80 x 5.00 x 8.50.
• Unit weight is 0.24.
• Includes a carrying case and a battery pack.
• Features a self-centering arbor and magnetic attachment to the barrel end.
• Backed by a Limited Lifetime Warranty.

Compact and simple to use, the Sightmark Triple Duty bor e sighter speeds initial sighting and reduces ammunition spent during zeroing. Its muzzle-mounted, self-centering design and rugged aluminum construction make it a practical tool for shooters who want a repeatable, portable solution for aligning optics across a range of calibers.