Saginaw general motors barrel

[jbm]

To me with barrel in hand does not look to have been blasted and parked, the machining marks are too prominent and I would think with sand blasting they would not be.

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[browningautorifle]

does not look to have been blasted and parked, the machining marks are too prominent

Maybe right...

[jond41403]

Maybe right...

BAR, did they leave carbine barrels unmachined and not smoothed?I know Russia did their barrels that way during the war because they were just worried about cranking them out and not finishing them up but I did not know American made carbine barrels were that way.