A box of Kotex may alleviate their discomfort.Others say their support hand gets banged up by the hump in the Surefire forend on recoil.
Seriously, Ez, I don't remember: are you in the OKC area, or up north? If you're coming to/through OKC, feel free to give me a shout, and you can grope on my 870, w/the SF forend.
PM & I'll send you my #, if you want...