Bought 500 LRN, 125gr. some time ago. Loaded a bunch low power with 3.4 gr. Titegroup, used a light, 15 lb. spring with the Glock 19, seated 1.12 following Hornady. Shots at 10 yards keyhole all over the place, a few round holes. I upped the charge to 4 gr. to make the bullet slug up and they...