This guide details how to collimate a PFalcon/RH25 thermal clip-on device to a day optic. It covers setting up the device in clip-on mode, accessing the collimation menu via button combinations, and adjusting X and Y axis settings to align the thermal image with the day optic's reticle. Proper collimation ensures point of aim equals point of impact at various distances, including 50m and 200m.
This guide details how to zero iron sights on AR-style rifles, including the M4 Carbine, as demonstrated by Karl Erickson, a former US Special Forces operator. It covers selecting zero distances (25m for 300m equivalent, 50m for 200m equivalent), proper sight configuration, stable shooting positions, and calculating/applying windage and elevation adjustments using the front sight post and rear sight knob. The process emphasizes confirming zero at both short and long ranges.
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