Ballistic gel test of ancient sling bullets

Roman sling bullets had were as deadly as a .44 Magnum

Slinging Big Stones - Impact Test - Part 1

The original projectile weapon

Handgun Self-Defense Ammunition - Ballistic Testing Data

Ballistic gelatin - Wikipedia

Feed Your Revolver: .38 Spl & .357 Mag Ballistics Gel Test Overview - Lucky Gunner Lounge

Feed Your Revolver: .38 Spl & .357 Mag Ballistics Gel Test Overview - Lucky Gunner Lounge

The original projectile weapon

The original projectile weapon

sling-shot British Museum

The original projectile weapon

The original projectile weapon