My car guns (fall back social equipment) are WW 1300's and seem to like the standard RP 9 pellet OO buck loads. (12B00) I keep two 1oz WW slugs on the buttstock. Both work well in my guns, color coding may come in handy some day.
Life Member NRA, TSRA
Smokeless powder is a passing fad! -Steve Garbe
I hate rude behavior in a man. I won't tolerate it. -Woodrow F. Call Lonesome Dove
My favorite recipes start out with a handful of used wheelweights.