Free: Contests & Raffles.
I have 24s in that was .22lr/20ga. I had it reamed to a .22 Mag./20 Ga.. It is a great utility weapon.
I have an old 24 with the barrel selector on the side of the receiver. 22 Magnum/410 shotgun. Bought it for $35.00 in 1966. (eat yer hearts out!)