Are all 1911 pistols 50 years old or older or are they on the ATF's list of collectibles? A firearm has to be 50 years old or older to qualify or be on the ATF's list of younger guns tat they have classified as C&R guns due to certain collectible factors that they decide on a gun model by model basis. The ATF explains it at the page at this link: https://www.atf.gov/firearms/curios-relicsAren't all 1911's Curios & Relics?