The first gas port barrels started production in June 1940, these barrels are quite rare to locate.
Many of these barrels were also used in direct conversions from gas trap to gas port riflesDSCN3106.jpgDSCN3107.jpgDSCN3108.jpg
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first month of production for gas port barrels S-A 6-40
The first gas port barrels started production in June 1940, these barrels are quite rare to locate.
Many of these barrels were also used in direct conversions from gas trap to gas port riflesDSCN3106.jpgDSCN3107.jpgDSCN3108.jpg
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