You can also add in steel vs plastic as i think steel frame guns like the 1911 will hold there value better then a Glock and the same can be said for Revolvers..
but one driving force for semi auto's was the 1911's 100th year and i own 2 of them and no Glocks! i also own a 1986 model Ruger Single Six in stainless steel with my only plastic gun being a Walters P22
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