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53-O-415R
The 53-O-415R (53-О-415Р) is a Soviet-era-developed, Russian Federation, 100 mm high explosive fragmentation (HE-frag) anti-aircraft (AA) projectile. The relatively thick-walled body of the 53-O-415R is fitted with two copper alloy driving bands and is partially-filled with a high explosive (HE) material, which includes a small smoke-producing charge. The 53-O-415R is used in conjunction with the AR-21 (АР-21) series of deep-intrusion radio...
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