This guide details the installation and zeroing process for the SMS Trinity laser/illuminator, based on an expert review from 4MR Ranch. It highlights critical steps like careful screw torquing to avoid stripping, laser alignment checks, and the necessity of frequent re-zeroing due to observed zero drift on high-recoil platforms. The review emphasizes that while the diodes may hold, the zero stability is a concern for this budget-friendly unit.
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