I never hunted doves while I was in Montana, but knew a couple guys that did. I think some years, most of the doves leave by Sept. 1, which I believe is the opener there in Montana.
I always wanted to hunt doves and this last December finally got a chance. After a successful coues deer hunt my buddies Ron and Monty took me to one of their spots...it was fun. We shot 30 doves in just a couple hours.
I used a 28 gauge...started out slow as I had not done much wing shooting the last 10 years or so. After I burned through the first half box of shells I settled down and hit 5 in a row to finish my limit.
WOW thats a great day of dove hunting and shooting. I have hunted doves tons of times and never hit five in a row, I always blame it on a bent barrel

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Thanks for the info!!