The 1-inch Gatling.
DESCRIPTION OF PIECE.
| Designation. | No. | Lbs. | Inches. |
| Extreme length of piece | 68.15 | ||
| Length of barrel | 33 | ||
| Length of breech-casing | 21.5 | ||
| Length of feed-case | 14.5 | ||
| Cartridges in each case | 12 | ||
| Cartridges in each ammunition-chest | 472 | 315 | |
| Total number of rounds for each gun | 2592 | ||
| Gun (weight) | 1008 | ||
| Total weight of gun, implements, carriage, and limber | 3263 | ||
| Number of barrels | 6 | ||
| Number of grooves | 6 | ||
| Depth of grooves | 0.01 | ||
| Twist: one turn in six feet. | |||
| Preponderance | 110 | ||
| Number of horses for each piece | 6 | ||
| Number of horses for each caisson | 6 |
For field service each piece is accompanied by one caisson.