I've never OCed. Probably never will. Mass doesn't look kindly on it. Several years ago, mid to late 90s it was, buddy of mine got his LTC, he did several times OC his .40 in a shoulder rig. We were young, stupid and very lucky. He never had a word said to him.( He looks like a cop, if you know what I mean, hair, build, way of carrying himself etc). At least once a cop was behind him in line at a store when he had it out in the open. Some looks, but no problems.
Wouldn't try it myself then, certainly not now. Not in this state anyway.
NRA Life Member