Yes, I would try a few regular 22 blanks. With the mechanics of a blank the worst you would get is some gas leakage. How many do you plan to shoot? I have shot a FEW 22 lr shells in a 22 mag doing some testing. Not that I recommend the regular 22 in a 22 mag, but your not going to 'blow up the gun' as some may say. Blanks should be even more O.K.. YMMV