2LaneCruzer
Super Member
Good buy on that SP2022, that's one heck of a good pistol, I bought one several years ago and like it so much I got one for the wife. Of course, back then, they were less than $300.
There's been a lot of good ideas for a truck gun given here, if you're looking at rimfire, the 10/22 is great, the S&W 15-22 is also great. You may look around for a used Kel-Tec SU 16 series for 223, they shoot fairly accurately, take M-16 magazines and fold up to fit under the seat.
Ruger makes a lever action .22WMR carbine that looks a lot like the 10/22; model 97 as I recall. It holds 10 rounds in a rotary magazine. They used to make a 10/22 mag, but don't any more...from what I read, there were too many feeding/jamming problems with the rather long .22 mag cartridge.