this post was submitted on 22 Jun 2025
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russian revolutionaries used to conceal carry these absolute fuckin cannons

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[–] [email protected] 0 points 6 days ago (2 children)

Hey gun nerds rather unrelated question. 9mm standard pistol bullet's case is not much bigger than its bullet diameter. But rifle bullets and bullets in this picture have a diameter increase beyond bullet. Why? Why they don't just make the bullet cases longer to store same amount of gunpowder?

[–] [email protected] 0 points 5 days ago

Case shape funnels the explosion through a smaller area, allowing them to achieve more force with a smaller amount of powder.

[–] [email protected] 0 points 6 days ago

Maybe to ease extraction? Standard bolt action rifles have much differing action