A Lot of rifles were rebuilt, Particularly Vietnam period rifles. Generally the barrels had been changed. Some samples of markings identified on replacment barrels contain: I love carrying out it but I don’t know how long I am able to like I said just before. I'm gonna check out like https://stephenonlhg.tnpwiki.com/6414913/facts_about_colt_combat_unit_rail_gun_45_revealed