Sightmark's Ersatz Holographic Sight: The Ultra Shot "M-Spec"
This guide covers the installation and zeroing process for the Sightmark Ultra Shot M-Spec, based on expert review. It details attaching the optic, powering it on, and making adjustments for a 100-yard zero. The review highlights the optic's features like its IP68 rating and motion sensing, while also noting potential drawbacks in its mount and adjustment coarseness compared to higher-end competitors.












