Numerous Rifles were being rebuilt, Particularly Vietnam period rifles. Typically the barrels were being changed. Some samples of markings observed on replacment barrels include things like: Thanks for taking the effort and time To do that. I have a number of photographs on the VN era carbine mag wells if https://claytonaaxvs.wikiexcerpt.com/3226706/5_easy_facts_about_colt_combat_elite_commander_45_acp_described