Sightmark SM39021 22 LR Red Laser Boresighter

The Sightmark SM39021 is a chamber-mounted laser boresighter designed for .22 LR rifles. It projects a red laser point from a brass cartridge-shaped body for rapid sight or scope alignment without firing live rounds. The unit ships with batteries and a carrying case for range-side convenience.

Key Specifications

• The cartridge is .22 LR.
• The model number is SM39021.
• Construction material is Brass.
• Mount type is Chamber.
• Laser color is Red.
• Includes two AAA batteries and a carrying case.
• Battery pack type is External Battery Box.
• Product style is Laser (boresighter).
• Quantity included is 1.
• Package dimensions are 1.35 X 5.00 X 7.50.

Engineered for straightforward, range-ready sighting, this Sightmark boresighter helps reduce time spent sending live rounds downrange while aligning iron sights or optics. Its chamber-style fit and brass body provide a simple, repeatable reference point and the included batteries and case make it practical for field or range use.