gotigers Posted December 31, 2011 Share Posted December 31, 2011 I've had my M&P Pro 9 since 09-2010. I've used it for 3 gun, about 10-12 matches plus practice. Maybe 1500 rounds. It has a dawson adjustable sight set. Otherwise all factory. Lately i have struggled with plates out past 20 yards and groups on paper unsupported at 15 yards are 6-8 inches, supported about 4-6 inches. I have read that some owners have complained about the recoil springs. When i first bought it, the groups were better, just very low. I fixed the low shooting with the dawson sights. I have noticed that my brass is very black. I don't notice others being so black. How can i determine if the recoil spring is worn out? Any other ideas for the group opening up? Quote Link to comment Share on other sites More sharing options...
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