My bursa thunder releases the slide when you insert a fresh mag. Maybe it is something new with the gen 4. Not really a bad thing just one less steep to take when your being shot at. Unless the gun was not intended to do that.
As far as brass in the face it has only happened to me when hitting the lain divider. My wife took some 5.56 down her shirt from 15 feet away one time. I thought it was funny as hell. She was not to happy tho. Boy that M&P 15 really throws it out there.
Burnt bresticles is no laughing matter....wait...yeah it is.
You should have bin there the first time I took her to the range when we first met.
We just got out there and she noticed someone picking up his brass. She asked why he was doing that. I said to reload it or throw it in the bucket.
I pulled out my 30-06 and took a shot. As soon as the brass hit the ground she picked it up. All I here is a lowed S***. I looked and said oh yeah it's hot at first.lol