Sightmark 45 ACP Red Laser Boresight - Precision Firearm Calibration Tool

The Sightmark 45 ACP Red Laser Boresight is a firearm calibration tool designed to get your pistol or carbine on target without firing a shot. Instead of burning through ammo at the range to dial in a sight or optic, simply load this laser boresight into the chamber like a regular round—it projects a red laser dot that shows exactly where your barrel is pointed. It's a fast, efficient way to establish a zero before you invest time and ammunition in live fire, whether you're a hunter preparing for the season, a competitive shooter fine-tuning a setup, or anyone who wants to cut range time and ammunition waste.

Sighting in used to mean multiple trips downrange, plenty of cold-bore shots, and a lot of guessing. A laser boresight eliminates that guesswork in the early stages. You can work through scope mounting, optic alignment, and basic zero confirmation indoors or at the range without touching off a round. Once the laser zero is dialed in, live fire becomes a matter of tweaking for bullet drop and individual rifle behavior—not starting from scratch. That's both faster and easier on your wallet.

The boresight comes in a lightweight carrying pouch, so it's easy to pack for field use or take to the range. Compact and durable, it's the kind of tool that pays for itself in saved ammunition on your first serious optic installation.

Key Features

• 45 ACP chamber compatibility—chambers like a standard round
• Red laser dot for precise barrel alignment without firing
• Reduces wasted ammunition during zeroing
• Fast setup for scopes, optics, and sights
• Compact and lightweight design
• Includes protective carrying pouch

Frequently Asked Questions

What firearms is the 45 ACP laser boresight compatible with?

This boresight is designed for firearms chambered in 45 ACP. It chambers like a standard cartridge, allowing you to use it with any 45 ACP pistol or carbine.

Can I use this boresight indoors?

Yes. Since it projects a laser dot rather than firing a live round, the boresight works indoors or in low-light conditions, making it ideal for initial sight-in work before heading to the range for live fire.

What's included with the boresight?

The Sightmark 45 ACP Red Laser Boresight comes with a lightweight carrying pouch for transport and storage.

How much ammunition will this save me?

By establishing a rough zero without live fire, you skip the trial-and-error phase and move directly to fine-tuning with live rounds. Most shooters see significant savings in wasted ammunition during the initial setup phase.