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Sightmark Triple Duty Universal Boresight laser designed for sighting in calibers from .17 to .50 for rifles, shotguns, and pistols. The unit features a self-centering arbor and attaches to the end of the barrel, avoiding protrusion into the firearm barrel. No additional attachment pieces are required, reducing risk of loss. Suitable for quick, tool-free bore sighting across popular calibers.
Specifications
- Manufacturer:
- Sightmark
- Category:
- Red Dot / Holographic Sight
- MPN:
- SM39024
- Required Component:
- No
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Guide
Optic Mounting Solutions: Height Over Bore Explained
An analysis of AR-15 optic mounting heights, how height-over-bore affects zero offset and holdovers, and the tradeoffs between absolute co-witness, lower-third, and taller mounts.
6 min read
Guide
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A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read