I suggest that you load some in brass with the cannelure and some in plain brass and test them. Make sure to use like brass from the same box if possible for both. I always segregated brass for bullseye but I loaded .357 cases because I was shooting a Model 19. Ideally brass from the same lot if possible.
Eliminate all the variables that you can. Use the same brass, bullets, powder, primer, seating depth, work the powder measure uniformly, seat primers uniformly.
Note: if the powder measure hangs, throw that load back in the measure, if you feel a tight or loose primer when seating them, cull that one. You want to eliminate any variable that you can. I've gone so far as to clean primer pockets when testing. One note on primers, Federal primers seat a lot easier than Winchester or CCI. Federal is my first choice. A hand primer like Lee or RCBS allows you to feel when seating primers.
Older Hornady bullets had grease type bullet lube, new ones are dry lubed. I don't know which is best. I've heard good things about Remington lead bullets but I have not tried them. I no longer shoot bullseye so I haven't checked them out.
My 2 cents worth.