Lyman 49th lists the Trim To length of .308Win as 2.005 inches. That is 50.927mm.
I'd like to get an exact measurement from the OP. Is it "50.0mm" or is it "roughly" 50 and more like 50.5, 50.75?
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.