Type/Name

Bore Diameter (in)

Tube Weight (lbs)

Range (yds)

Material

Smoothbores

   Six-pounder

3.67

884

1,523*

Bronze

   Light 12-pounder (Napoleon)

4.62

1,227

1,619*

Bronze

Rifles               

   Three-inch ordnance rifle

3.00

816

1,835*

Wrought iron

   14-pounder James rifle

3.80

918

1,700*

Bronze

   10-pounder Parrott

2.90

890

2,000*

Cast iron

   20-pounder Parrott

3.67

1,750

2,100*

Cast iron

   30-pounder Parrott

4.20

4,200

2,200*

Cast iron

British rifles      

   12-pounder Blakeley

3.50

700

1,760

Iron

   12-pounder Armstrong

3.00

918

3,961

Iron

   12-pounder Whitworth**

2.75

1,092

2,800*

Iron & steel