You just have to remember that a short cartridge will give you higher than expected chamber pressure. Your rounds are probably ok, as long as the crimp is tight enough to keep the bullets from being pushed deeper in the case from recoil while in the magazine. It's acceptable to load a cartridge longer than what's specified in the load data, the limiting factors are whether the round will feed in your magazine and chamber without hitting the rifling. It's a good idea to make up a dummy cartridge without primer and powder that is the correct oal. When go to set up the dies in the future you just have to rotate the bullet seating screw until it touches the dummy round.