Lots of rifles ended up rebuilt, especially Vietnam period rifles. Ordinarily the barrels have been changed. Some samples of markings located on replacment barrels contain: Up for sale can be a like new primary manufacturing unit produced Colt M16A1 with corresponding manufacturing facility roll mark. All the original pieces ended https://colt-combat-elite-defende90000.humor-blog.com/30449384/little-known-facts-about-colt-python-6-for-sale