Informational post only. Long story, but the short version is I had a couple of mis-feeds that cost me dearly in a match, were probably due to a mag, but was advised to lengthen my COL.
My current .40 major load is:
180gr FP Blue Bullet, 1.160”, 4.6gr Sport Pistol, CCI500, 174 PF, SD 10
I...