guy sajer Posted June 15, 2005 Report Share Posted June 15, 2005 Were all Colt M1921 barrels the same ? Same number of grooves , groove spacing , taper , etc ? Thanks Link to comment Share on other sites More sharing options...
gijive Posted June 15, 2005 Report Share Posted June 15, 2005 No. The earliest barrels below serial number 1000 had the serial number of the gun stamped on the breech end of the barrel. The fins on the earlier barrels tended to be thinner than the later barrels. Although, I have seen varying degrees of thickness on the Colt barrel fins. After 1932 the sceond style compensator was introduced and it was larger had had a different thread pitch than the first type compensators. New barrels were manufactured and these barrels are thicker near the front and the fins tend to be thicker than the earlier barrels that were the '21A configuration. The Colt barrels I have observed have twenty-nine fins including the last bump near the front end of the barrel and not counting the barrel flange that fits against the receiver. Link to comment Share on other sites More sharing options...
John Jr Posted June 15, 2005 Report Share Posted June 15, 2005 Colt had Remington build all the barrels so there is no such thing as a "COLT" barrel. http://www.machinegunbooks.com/forums/invboard1_1_2/upload/html/emoticons/biggrin.gif Link to comment Share on other sites More sharing options...
guy sajer Posted June 16, 2005 Author Report Share Posted June 16, 2005 Thanks guys . I appreciate the info ! Link to comment Share on other sites More sharing options...
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