This video details a rigorous durability and zero retention test of the Rovyvon GL4 Pro Defense Distributors Edition. The reviewer subjected the device to significant recoil from 9mm and 12-gauge firearms, direct muzzle blast from a compensated pistol, and physical abuse including rock bashing and simulated grenade blasts. The GL4 Pro demonstrated impressive resilience, maintaining zero and functionality throughout the extreme testing, making it a potentially robust option for handgun-mounted IR and visible laser applications.
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