Weights and Dimensions.
| Weight of gun | 788 lbs. |
| Calibre | 3 inches |
| Length | about 7 feet |
| Number of lands and grooves | 24 |
| Muzzle velocity | 1700 ft. sec. |
| Maximum pressure per sq. in. | 33,000 lbs. |
| Limit of depression | (90 mils.) 5 degrees |
| Maximum elevation | (265 mils.) 15 degrees |
| Maximum range, trail sunk, about | 8,500 yds. (5 M) |
| Range at 15° elevation (265 mils) | 6,000 yds. (3½ M) |
3 Inch Field Gun, Models of 1904 & 1905.
Breech Mechanism Assembled.
Nomenclature of parts of Gun:—
- Jacket.
- Locking hoop.
- Tube.
- Bore.
- Rifling.
- Lands.
- Grooves
- Breech recess.
- Front clip.
- Muzzle.
- Dust guard.
- Recoil guides or clips.
- Chamber.
- Recoil lug.
- Line sight (front and rear).
- Handy oilers.