1.57 inch (1-pounder)
1861 · David R. Williams · 1 firearm in catalog
Also known as: 1-pounder, 1.57 in, 40mm
Cartridge specifications
| Bullet Diameter | 39.9 mm (1.571") |
| Typical Bullet Weight | 454 g (7006 gr) |
| Primer Type | Percussion |
| Cartridge Type | Rimmed |
| Introduced | 1861 |
Firearms chambered in 1.57 inch (1-pounder)
- Williams Gun — Tredegar Iron Works · Machine Gun · 1861