Aside from the obvious prone, bench etc. is there any advantage to a 20 rd mag?
Twenty is plenty until it is not.Twenty is plenty. I have some thirties but they’re second line.
Have to admit part of my bias is from my brother who was in ‘Nam. Apparently the 30’s weren’t as reliable then and not the case now. Still, ergomonics favor the 20’s IMHO. If I had full auto I might feel differently, IDK.