Why is the barrel size important for the muzzle velocity and the range?
In: Engineering
A longer barrel gives the propellent more time to accelerate the bullet.
All else equal, a longer barreled weapon (within reason) will have a greater muzzle velocity – which then translates to a greater effective range.
The trade-off is that a longer weapon is heavier, slower to aim, and may have more severe recoil since it is absorbing more reaction force.
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