Not necessarily ...you can vary the thickness or style of the recoil pad..
http://thefiringline.com/forums/atta...4&d=1384217534
This is a Browning Citori XT Trap ( 32" barrels ) with a GraCoil system and a Jones Pad on it. Installing the GraCoil is more complicated...of course.
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Actually both guns in the photo are XT's -- both 32" barrels the top one is "stock" / the bottom one is about a grade V/VI upgraded Turkish Walnut stock from Factory, that I actually bought used.