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

Researcher and slingshot enthusiast Jörg Sprave discovered the surprising power of slingshot bullets found at Burnswark Hill just west of Dumfries by analysing the kinetic energy they could impart.

Roman military's secret weapon: Wailing slingshot bullets with the

National Geographic: Ancient Slingshot Was as Deadly as a .44

1900-Year-Old Slingshot With Lead Ammo Was As Deadly As A Handgun

Historic Firearms and Early Militaria by Cowan's Auctions - Issuu

Ancient bullets with holes inside were used as a weapon of terror

American Handgunner May/June 1983

Slingshots – Tiny, Simple, Deadly – The Album

Messages on missiles to sling « IMPERIUM ROMANUM

Lever gun popularity 1911 Firearm Addicts

Whistling Sling Bullets Were Roman Troops' Secret 'Terror Weapon

Ruger 44 Carbine Michigan Sportsman Forum