One of my acquaintances is a SWAT officer in the metro Phoenix area. He's using an SRO on his Gen5 Glock as his duty optic. He has no durability issues with his. He's not intentionally trying to break it but he isn't being overly cautious with it either. He's bumped and banged it getting in and out of vehicles, etc. He uses the same gun and optic to shoot carry optics and has had no issues.
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