Sightmark Red Laser Chamber Boresight 12 Gauge (Brass)

Designed for hunters, competitive shooters, and tactical professionals, the Sightmark 12 Gauge Laser Boresighter is the ultimate tool for fast, precise sight-in and zero checks.

Engineered for simplicity and performance, this in-chamber brass boresighter provides a quick and cost-effective solution for aligning your shotgun optics—without wasting time or ammunition.

Crafted from durable, high-quality brass, the Sightmark boresighter fits directly into your shotgun’s chamber, ensuring reliable alignment and a secure fit every time.

Once installed, its powerful red laser projects a clear 2-inch dot at 100 yards, helping you achieve precise bore-to-reticle alignment for scopes, red dot sights, or iron sights.

Perfect for initial sight-ins, post-transport zero checks, or even as a training tool for quick-draw drills, the Sightmark 12 Gauge Laser Boresighter adds unmatched efficiency and versatility to your shooting gear.

Compact and easy to transport, it includes a protective carrying case, three AG13 batteries, and easy-to-follow instructions for immediate, hassle-free use.

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