Lenny Magill tries out the Holosun 507C, Part 2 of 2
This guide details the process of zeroing the Holosun 507C red dot sight, as demonstrated by Lenny Magill of GlockStore. It covers essential preparation steps like Loctite curing and co-witnessing, followed by live-fire adjustments at a 10-yard range. The expert instruction emphasizes precision and proper technique for reliable optic performance.













