Ive been reloading for a short time now .38/.357 & 9mm up to this point. A friend gave me a box of what was labeled 230gn .451 dia BB RNL bullets so I loaded a few .45 ACP on top of 5.3-5.4 grains of W231. After loading I happened to weigh a bullet (which I should have done first) they only average 218.5 grains. Will these be safe to shoot since the bullet weight is less than the recipe calls for or should I pull them apart and chalk this up to a newb mistake? Thanks ..