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Chapter 459 SU-152
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... he smoothbore gun, why not improve the shell?" Shulka said.
"Cannonball? What kind of shell?" Kalashnikov was a little puzzled.
"Smoothbore shells!" Shulka said: "Its flight is unstable because it has no rifling. Why don't we improve the shells to make them fly stably in the air?"
If it can fly stably in the air without losing energy, then it combines the strengths of both smoothbore and rifled rifles, that is, it can hit accurately and deeply.
"But... how ...
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