Hey guys so I have an older 20 gauge 870 wing master that I just purchased a set of true glow fiber optic sights for. The problem is they won't fit on the vent rib. The packaging says it fits Remington shotgun's. Although they do say most but I wouldn't think a wing master would be that unusual. Have any of you guys had issues with install on these sights? Maybe I'm doing something wrong or missing a step on the install but it seems pretty self-explanatory.
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