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3OF1
The 3OF1 (3ОФ1) is a Soviet-era-developed, Russian Federation, 122 mm high-explosive fragmentation (HE-frag) artillery projectile, which is designed be fitted with the AR-30 (АР-30) proximity fuze. The 3OF1 is a projectile is thought to be based on the far earlier (pre-World War Two) 53-OF-471 (53-ОФ-471) model, but with a modified nose area and deep cavity within its high explosive charge to accommodate the AR-30 fuze. The 3OF1 has a one-p...
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