Ear and eye protection are a must...I cheap out and do regular plugs under regular muffs...but get proper safety glasses.
As for guns....there are a lot of options. The Canik Tp9 seems to be a popular option for low cost shooters....personally, I'd go with a Glock...there are good prices for them online in various places. Then, a solid belt, a bladetech holster, four mag pouches and five mags. Maybe a set of sights if you need different ones.
Oh and a case or two of ammo helps too.
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