Sightmark SM39004 Red Laser Boresight for .7mm/.264/.338 Cal Brass with Battery Pack & Carrying Case
$36.38
- Caliber-Gauge:
- 338 Caliber
- Quantity:
- 1
- Battery Size:
- 3 AG3
- Material:
- Brass
The Sightmark SM39004 red laser boresight is a practical tool for shooters working with .7mm, .264, and .338 caliber rifles. Zeroing a new scope or load can eat up ammunition and time at the range—a quality boresight gets your barrel and optic aligned before you fire a shot, saving both money and frustration. This Sightmark model uses a visible red laser to project a point on your target, letting you confirm bore and scope alignment indoors or in low light without burning through ammo during the setup phase.
Built to work with brass casings in the supported calibers, the SM39004 comes ready to use with a battery pack included in the box. The carrying case keeps everything organized and protected in your range bag or truck. If you run multiple rifles in these calibers or build loads frequently, having a dedicated boresight cuts your first-round-out-of-the-box time considerably and gives you confidence in your zero before heading to the field or range for load development.
This is straightforward gear that does one job well: it helps you establish a baseline zero so your subsequent shooting is productive. No fancy electronics or features—just a red dot that shows you where your bore is pointed, letting your scope catch up quickly.
Key Features
- Red laser boresight for rapid bore and scope alignment
- Designed for .7mm, .264, and .338 caliber brass casings
- Battery pack included and ready to use
- Carrying case for protection and portability
- Visible laser projection for indoor or low-light setup
Frequently Asked Questions
What calibers does the Sightmark SM39004 fit?
The SM39004 is designed for .7mm, .264, and .338 caliber brass casings. It will not fit other caliber bores.
What's included in the box?
The boresight comes with a battery pack already included, plus a carrying case to keep everything together and protected.
Can I use this boresight indoors?
Yes. The red laser is visible in indoor light and low-light conditions, making it useful for setting up your zero before heading to the range or field without needing daylight.
Do I need to buy batteries separately?
No. The battery pack is included with the boresight, so you're ready to use it out of the box.
