I recently acquired 5 boxes of Alberts swaged lead pistol bullets in 38 cal. They are 158 gr. LRN. I'm trying to find loading info from anyone experienced with using them, I understand the company has been out of business a long time, probably why I can't find much info. I shoot with older s&w 4" and 6" model type revolvers and a taurus 8" 357 mag. I have no experience with swaged bullets and I've read they are soft and will lead barrels if not loaded correctly. Thanks in advance for any help you can offer.