Artillery Field Gun Diagram

Smoothbore Cannon Cutaway Diagram

A) Knob, B) Neck, C) Vent, D) Trunnion, E) Muzzle Swell, F) Muzzle Face,
G) Muzzle, H) Rimbase, I) Cascable, J) Breech, K) Chamber, L) Bore 

M1841 6-pounder Gun, our Ms. Donna

Artillery Smoothbore Ammunition

Smoothbore Fieldgun Ammunition Types

A)  Solid shot attached to wooden sabot with straps.
B)  Shell-complete fixed round.  Cartridge bag tied to sabot.  Paper bag in place.
C)  Arrangement of straps for shot (1) and shell (2) (opening allowed for fuse).
D)  Cartridge block for separate cartridge.  Projectile and powder charge for rounds
    for guns larger than 12-pounders were usually loaded separately.
E)  Shell and sabot.
F)  Spherical case:  12-pounder. contained 4.5-ounce burster and 78 musket balls.
G)  Canister:  12-pounder contained 27 cast-iron shots, average weight is 0.43 pounds
    in tin case, nailed to sabot.
H)  Complete fixed round of canister.  Paper bag was torn off before loading.
I)  Tapered sabot for howitzers (powder chamber in howitzers was smaller than the bore).

Field Piece Types, Ranges and Use Against Opposing Forces
ModelCaliber (Inches)Length of TubeMax. Range
3-in. Ordnance Rifle3.0069 Inches1830 yards
M1841 6-pounder smoothbore3.6760 Inches1523 yards
10-lb. Parrot Rifle3.0074 Inches1619 yards
12-lb. smoothbore4.6278 Inches1663 yards
12-lb. Howitzer4.6253 Inches1072 yards
M1857 12-lb. Napoleon4.6266 Inches1619 yards
20-lb. Parrot Rifle3.6784 Inches1900 yards
Solid Shot : Used against enemy artillery positions, fortifications, large bodies of troops.
Shell : Used against buildings, earthworks, and troops under cover.
Sherical Case (Shrapnel) : Used against troops 500-1500 yards away.
Case shot for a 12-pounder contained 78 balls and weighed, with charge, 13.5 pounds.
Canister : Used at range of 350 yards or less.
In emergency, double canister with single charge could be loaded. A typical canister load was a tin cylinder
filled with iron shot or lead musket balls. Disastrous effect against oncoming troops.