The barrel hitting the followers was mostly on 40's. Many here experienced losing rounds even with the plastic followers, most cured it by tweaking the feed lips on the mag.
I've not heard of the barrel hitting the follower on any with the Lakeline followers.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."