| Calibre
|
Weight |
Calibre
|
Weight |
|
.20
|
12.0 gr.
|
.46
|
146.0 gr.
|
|
.22
|
16.0 gr.
|
.48
|
165.9 gr.
|
|
.24
|
20.7 gr. |
.50
|
187.5 gr.
|
|
.26
|
26.4 gr. |
.52
|
210.9 gr.
|
|
.28
|
33.0 gr. |
.54
|
236.2 gr.
|
|
.30
|
40.5 gr. |
.56
|
263.4 gr.
|
|
.32
|
49.0 gr. |
.58
|
292.6 gr.
|
|
.34
|
59.0 gr. |
.60
|
324.0 gr.
|
|
.34
|
59.0 gr. |
.60
|
324.0 gr.
|
|
.38
|
82.3 gr. |
.64
|
393.2 gr.
|
|
.40
|
96.0 gr. |
.66
|
431.2 gr.
|
|
.42
|
111.0 gr. |
.68
|
471.6 gr.
|
|
.44
|
127.8 gr. |
.70
|
514.4 gr.
|
|
.72
|
559.8 gr. |
.82
|
826.9 gr.
|
|
.74
|
607.8 gr. |
.84
|
888.9 gr.
|
|
.76
|
658.4 gr. |
.86
|
934.0 gr.
|
|
.78
|
711.7 gr. |
.88
|
1022.1 gr.
|
|
.80
|
767.9 gr. |
.90
|
1093.4 gr.
|
| Western Size Buckshot
|
American Size Buckshot |
Diameter (calibre)
|
Number per Pound |
|
No.9
|
No.3 |
.25"
|
280
|
|
No.8
|
- |
.26"
|
263
|
|
No.7½
|
No.2 |
.27"
|
238
|
|
No.7
|
- |
.28"
|
232
|
|
No.6
|
- |
.29"
|
186
|
|
No.5
|
No.1 |
.30"
|
152
|
|
No.4
|
No.0 |
.32"
|
144
|
|
No.3
|
No.00 |
.34"
|
128
|
|
No.2
|
No.000 |
.36"
|
112
|
|
No.1
|
- |
.38"
|
96
|
|
-
|
- |
.40"
|
70
|
|
-
|
- |
.44"
|
50
|
|
-
|
- |
.45"
|
48
|
|
-
|
- |
.52"
|
32
|
|
-
|
- |
.54"
|
27
|
|
-
|
- |
.57"
|
24
|
|
-
|
- |
.61"
|
20
|
|
-
|
- |
.63"
|
18
|
|
-
|
- |
.66"
|
16
|
|
-
|
- |
.69"
|
14
|
|
-
|
- |
.72"
|
12
|
|
-
|
- |
1.00"
|
4
|
|
-
|
- |
1.67"
|
1
|
English Shotgun Bore Sizes
Following is the table of English small arms gauges as given in the Gun Barrel Proof Act of 1868:
|
| Gauge No.
|
Bore Diameter |
Gauge No.
|
Bore Diameter |
|
A
|
2.000" |
11
|
.751"
|
|
B
|
1.938" |
12
|
.729"
|
|
C
|
1.875" |
13
|
.710"
|
|
D
|
1.813" |
14
|
.693"
|
|
E
|
1.750" |
15
|
.677"
|
|
F
|
1.688" |
16
|
.662"
|
|
1 (one)
|
1.669" |
17
|
.649"
|
|
H
|
1.625" |
18
|
.637"
|
|
J
|
1.563" |
19
|
.626"
|
|
K
|
1.500" |
20
|
.615"
|
|
L
|
1.438" |
21
|
.605"
|
|
M
|
1.375" |
22
|
.596"
|
|
2
|
1.325" |
23
|
.587"
|
|
O
|
1.313" |
24
|
.579"
|
|
P
|
1.250" |
25
|
.571"
|
|
3
|
1.157" |
26
|
.563"
|
|
4
|
1.152" |
27
|
.556"
|
|
5
|
.976" |
28
|
.550"
|
|
6
|
.919" |
29
|
.543"
|
|
7
|
.873" |
30
|
.537"
|
|
8
|
.835" |
31
|
.531"
|
|
9
|
.803" |
32
|
.526"
|
|
10
|
.775" |
33
|
.520"
|
|
34
|
.515" |
43
|
.476"
|
|
35
|
.510" |
44
|
.473"
|
|
36
|
.506" |
45
|
.469"
|
|
37
|
.501" |
46
|
.466"
|
|
38
|
.497" |
47
|
.463"
|
|
39
|
.492" |
48
|
.459"
|
|
40
|
.488" |
49
|
.456"
|
|
41
|
.484" |
50
|
.453"
|
|
42
|
.480" |
-
|
-
|
Powder Charge Data
Standard Muzzle Loading Charges
For original guns
|
| Type and Calibre
|
Ball Diameter |
Powder
|
Charge |
|
.69 U.S. Musket Models 1808-1812-1821-1831-1840-1842
|
.680 |
80 gr.
|
FFG
|
|
.69 U.S. Musket Models 1821-1840-1842 rerifled from smooth bore
|
.680 |
75 gr.
|
FFG
|
|
.69 Whitney Plymouth Navy Rifle
|
.680 |
70 gr.
|
FFG
|
|
.58 Remington Zouave
|
.570 to .575
|
60 gr.
|
FFG
|
|
.58 U.S. Civil War Rifles Models 1855-61-63
|
.570 to .575
|
60 gr.
|
FFG
|
|
.58 Springfield Pistols Model 1855
|
.570 to .575
|
40 gr.
|
FFG
|
|
.58 Fayetteville, Richmond, Cook Bros., Columbus and other Confederate Civil War Muskets
|
.570 to .575
|
60 gr.
|
FFG
|
|
.577 English Enfield Rifle
|
.570 to .575
|
60 gr.
|
FFG
|
|
.56 Colt Root Rifle
|
.562
|
70 gr.
|
FFG
|
|
.54 1804-1814-1817 U.S. Rifle
|
.535
|
75 gr.
|
FFFG
|
|
.54 U.S. Mississippi Rifle
|
.535
|
75 gr.
|
FFFG
|
|
.54 U.S. Pistol Models 1819-21-26-36-42
|
.535
|
35 gr.
|
FFG
|
|
.54 Halls Carbine
|
.535
|
85 gr.
|
FFG
|
|
.54 Halls Rifle
|
.535
|
100 gr.
|
FFFG
|
|
.54 Burnside
|
.558
|
60 gr.
|
FFFG
|
|
.54 Gallager
|
.535
|
55 gr.
|
FFFG
|
|
.54 Greene Carbine
|
.565 to .569
|
68 gr.
|
FFFG
|
|
.54 Starr
|
560
|
60 gr.
|
FFFG
|
|
.52 Sharps Carbines & Rifles
|
.535 to .555
|
60 gr.
|
FFFG
|
|
.50 Smith Carbine
|
.515
|
50 gr.
|
FFFG
|
|
.50 Maynard U.S. Issue
|
.517
|
50 gr.
|
FFFG
|
|
.44 Colt Dragoon
|
.453
|
40 gr.
|
FFFG
|
|
.44 Colt & Remington Army
|
.453
|
28 gr.
|
FFFG
|
|
.44 Modern made Remington and Colt Revolver
|
.450
|
28 gr.
|
FFFG
|
|
.44 Modern made Colt Dragoon
|
.451
|
40 gr.
|
FFFG
|
|
.41 Dixie brass framed Derringer
|
.395
|
10 gr.
|
FFFG
|
|
.40 Dixie Flint & Percussion Rifles
|
.395
|
65 gr.
|
FFFG
|
|
.40 Dixie Flint & Percussion Pistols
|
.395
|
25 gr.
|
FFFG
|
|
.40 Dixie Half Stock Target Rifle
|
.395
|
55 gr.
|
FFFG
|
|
.36 Modern made Remington & Colt Rev.
|
.376
|
22 gr.
|
FFFG
|
|
.36 Colt & Remington Navy, Whitney, Pettingill,
Savage, Cooper, Bacon and most .36 Rev.
|
.376
|
22 gr.
|
FFFG
|
.31 Colt & Remington Pocket Revolver & other.
31 American Revolvers
|
.321
|
15 gr.
|
FFFG
|
|
Pepperboxes - no standard calibre
|
.30 to 38"
|
15 gr. to 20 gr.
|
-
|
| | | | | | | |