Originally Posted by
fcvan
Lee 125 RN, Tumble Powder Coated, 5 gr Unique, Lee 102 RN PCd, same 5 grains. I've loaded hotter with that Boolit in a pistol and got 1300 from a 4" bbl. I bet it would zing with a longer barrel. The Lee 120TC and the Lee 125 RF (PCd of course, haven't used lube in years) both hung up during feeding from a Colt mag AR. I can't help but wonder if a Glock based mag would would feed seeing as it feeds from the center, not from a staggered mag. We will see when I test that theory.