I have an 18" 1100 Tactical that hasn't hiccuped with any of the few different rounds that I've put through it. I have not shot any reduced recoil loads though. I guess the lightest loads that I've shot were the Walmart bulk Federal target loads. It's had more of them through it than any all other types combined. Other than a lot of those rounds, I've only shot some Winchester pheasant field loads, Federal buckshot, Winchester and Federal slugs through it. Again, it hasn't hesitated once, but I don't know if that is surprising or expected. Would reduced recoil rounds be even lighter than the target loads I've mentioned?
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If you'd like to recommend a load for me to try in my gun, let me know and I'll see what I can do.