How and why does a longer gun barrel improve its performance, as on a tank? - Quora

What is the purpose of the 'arm' holding the barrel on self-propelled guns? - Quora

What is that 'lump' in the middle of the main gun's barrel on many tanks? - Quora

Why did Nazi Germany want to invent a bigger tank barrel when an 88mm tank barrel can destroy most of the Allied tanks? - Quora

How much did a tank's barrel length play into the amount of damage it could do? - Quora

Do Abrams tanks have to stop moving before the main gun can be effective? - Quora

What dictates the length of a barrel on a gun/tank? - Quora

Why are tank cannons so massive? - Quora

Why did tank cannon barrels break at the top? - Quora

Why was the M4 Sherman not replaced with a better tank? - Quora

Is the T-14 Armata the world's most powerful tank today? - Quora

How much longer can an M1 Abrams stay operational than another main battle tank? - Quora

What dictates the length of a barrel on a gun/tank? - Quora

What does a longer barrel mean for a gun and why is this? - Quora

In what ways is the T-90 tank better than an M-1 Abrams? - Quora