WINCHESTER 25 ROUND 12 GAGE BRASS 00 BUCK WWII NEW REPLICA AMMO BOXES

By late 1944, all-brass "00" buck shells began replacing the paper-cased combat rounds that were becoming unusable in the damp climates of Alaska and the Pacific. Then, in early 1945, the all-brass "00" buck round was standardized by Ordnance as the M19.

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full brass cased 12 gauge in a semi auto?

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