We want to buy the groupon that expires today $187 pistol shooting class for $92, but we want to know if we can bring our brand new Ruger pistol so we can be familiar with it specifically?

Yes you can.

You can bring your own weapon and ammo

Yes, you can. I think that price includes getting to try out one or two other pistols of your choice as well.

Yes, its in the FAQ, bring your own plus ammo

Yes, always bring the pistol you plan in using

Pretty sure you can. Should be encouraged