Like I said I'm very fuzzy on the locations of the markings but I'm almost certain the barrel said Underwood. I'll call the shop that had it and see of its still on the rack and see what he can tell me about it over the phone.
NCO of Marines, 3rd Award Expert Rifle, 236 KD Range
D Co, 4th CEB, Engineers UP!! OEF 21JUN-20SEP2011
REV. 19:11 And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.