The reason for gas checks is to increase what a lead bullet can be pushed, I don’t cast or load for the 44, but have loaded thousands of 38 /357 bullets with a Lyman gas check mold, the 38 a milder load I shoot with out the checks with this mold, the hotter 357 get gas checked, as long as you keep the loads light you will not have a problem, too hot and you are guaranteed gas cutting without a check, as said earlier if you plan on shooting a lot of lead, it would be a good idea to slug your gun, then you will know what bullet will work best for you. An under sized lead bullet will not only promote leading, but you will not get the best accuracy out of you gun.