

45 AUTO” (SEE FIGURE 6 BELOW)marking on the chamber area, along theĪxis of the barrel, at about 7:30 O’clock, when the barrel is viewedįrom the rear, with the lug down. #712349 (1937 production) will have barrels with a Gothic “COLT. Generally have a partially struck very large “K” in front of the lug. Pistols sometimes known as “The Transition” or “1924” will Oriented when the pistol is viewed pointing to the Right and the barrel is Single mark, and is sometimes called the “Interlaced HP”, on the area #710000 (1924 production) will have barrels with a Gothic “H” andĪ Gothic “P” (No serifs) that share a common line, and are thus a The area visible through the ejection portĬorrectly oriented when the pistol is viewed pointing to the Right and the Thus a single mark, and is sometimes called the “Interlaced HP”, on “H” and a Gothic “P” (No serifs) that share a common line, and are Of 1911 production (serial #629500) will have barrels with a Gothic Oriented when the pistol is pointing VerticallyĪnd the barrel is viewed looking directly at the ejection port
#COLT 1911 A1 ORIGINAL SERIAL#
Previous range (serial #40000 to serial #120000)Īnd a Gothic “P” (No serifs) on the area visible through the ejection Serial #400000 will have barrels similar to the barrels in the Also about this time, theĪmount of metal remaining at the bottom of the slot that keeps the link atĪn angle to the axis of the barrel has been reduced but not eliminated as However the barrelįinishing has been changed from the previous range and the finish on theĪrea visible through the ejection port is smooth and semi dull withįinishing marks concentric to the barrel axis. Serifs) on the area visible through the ejection port. The rear of the barrel hood, a Gothic “H” and a Gothic “P” (No #40000 to about serial #120000 will have barrels with no markings on

Otherwise theīarrels will be similar to barrels in the Serial The Right and the barrel is viewed from above the pistol. Marking will be correctly oriented when the pistol is viewed pointing to “P” (No serifs) on the area visible through the ejection port. Markings on the rear of the barrel hood, a Gothic “H” and a Gothic Otherwise the barrels will be similar to barrels in the Serialįrom about serial #25000 to about serial #40000 will have barrels with no To be overlap in the bottom end of this range and since few pistols haveīeen observed there, the marking is uncertain. (No serifs) on the rear of the barrel hood and a Gothic “H” (No #19600 to about serial #25000 will have barrels with a Gothic “P” Otherwise the barrels will be similar to barrels in the Serial #500 to serial #7500 range. To about serial #19600 will have barrels with a Gothic “H” (No Scratches running parallel to the barrel axis with a blue/black matte Finishing marks visible through the ejection port are coarse

Of the barrel in the front, and in the rear so that the barrel will not beĪble to fit through the front of the slide if the link is to the rear. Way that the link will not fall lower than about 25 degrees from the axis Machined with metal remaining in the front and rear of the slot, in such a (with serifs) on the rear of the barrel hood (Roman type has serifs, theīars at the ends of lines, where Gothic type has straight block letters.) Theīarrel hood is sometimes called the barrel extension. #500 to about serial #7500 will have barrels with a Roman “H” Marks visible through the ejection port are concentric to the barrel axis. The barrel will not be able to fit through the front of the slide if the The slot, in such a way that the link will not fall lower than about 25ĭegrees from the axis of the barrel in the front, and in the rear so that The lugs are machined with metal remaining in the front and rear of markings for 1911/1911A1Ībout 500 have unmarked barrels. and “S” for Springfield.īelow you will find the common proper U.S.G.I. Most common lug markings are the “P” for proof, “HS” for High Having all of its “correct” if not “Original” parts. None the less, collectors attach great importance to a pistol Many, are identifiable as “GI” in contrast to “Aftrerĭistinguishing between the latter two categories is sometimes difficult and fuzzy. Specific markings and are not readily identifiable. Many of the small parts such as springs, pins and disconnectors have no CollectorsĪttach great importance to a pistol having all of its “correct” if not Or specific unique characteristics, such as a bevel or rounded edge even

Often these parts can be identified by machining marks, finishes, Used specifically marked and identifiable parts.
#COLT 1911 A1 ORIGINAL SERIAL NUMBER#
Welcome to, a research site for collectors of USGI Small Arms.Īll variations and serial number ranges of the military 1911/1911A1 pistol
