Actually I take that back, it was an SKS when I was 14. I think that would be considered my first purchase. It was at a gun show, I walked up to a seller that had it on his back and worked him on price a bit and bought it from him. My father was with me but the money never touched his hand. I also still have that rifle, its a fantastic little shooter.
1978 I was 18 and my first gun purchace was a Harrington and Richards .22/.22mag revolver. Don't have it any more, stole out of my truck a year or so later but now I have some 50 guns, mostly rifles and a few shotguns. 20 or so handguns. :--- :--- :--- :---
1968, i bumped hay all summer and I bought a Marlin bolt action 22 from WEstern Auto. I still have it. It's the worse for wear, but its a good rifle. My first year in the air force i bought a new 1972 Ford truck, a Ruger super blackhawk, a Ruger Mk-II 22LR, and an Interarms Mk-X Mauser in 308 with a Weaver Scope. I was ready for anything.