Jent, This is what I use on those bothersome Remington 10ga hulls with loose primers. After using it the first time on new hulls, primers still hold tight after several reloads. I use Win 209 primers. HTH, Robert.
Here is one place that sells them.
http://www.ballisticproducts.com/Pri...tinfo/2301816/
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"Double guns are a sport and a pastime built into a beautiful package to which I attach myself when entering the great theater of autumn, those days now grow more precious because we are given so few".. Robin Lacy