This entry details the unique .22-06 Duplex M1 Garand, an experimental firearm discussed by Ian McCollum of Forgotten Weapons. The rifle, presented from Rock Island Auction, features a significantly smaller bore than standard M1 Garands, designed for duplex cartridges. These cartridges, part of the 1950s Project SALVO, aimed to increase hit probability by firing multiple projectiles. While testing showed a potential 65% improvement, the project was ultimately canceled due to practical and cost concerns.
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