Template:FtCaseyBatterySchenck
| No. | Caliber | Length | Model | Serial No. | Manufacturer | Carriage | Service Dates | Notes | |
|---|---|---|---|---|---|---|---|---|---|
| A-1 | 12" Mortar Rifle | 141.12" | 1890MI | 48b | Bethlehem Iron Co. | Mortar, M1896MI, #141, Am. Hoist & D. Co. | 1902-1942 | ||
| A-2* | 12" Mortar Rifle | 141.12" | 1890MI | 55d | Bethlehem Iron Co. | Mortar, M1896MI, #139, Am. Hoist & D. Co. | 1902-1917 | ||
| A-3 | 12" Mortar Rifle | 141.12" | 1890MI | 48a | Builders Iron Fdry. | Mortar, M1896MI, #140, Am. Hoist & D. Co. | 1902-1942 | ||
| A-4* | 12" Mortar Rifle | 141.12" | 1890MI | 47 | Builders Iron Fdry. | Mortar, M1896MI, #137, Am. Hoist & D. Co. | 1902-1917 | ||
| B-1 | 12" Mortar Rifle | 141.12" | 1890MI | 45 | Builders Iron Fdry. | Mortar, M1896MI, #293, Rarig Engr. Co. | 1902-1942 | ||
| B-2* | 12" Mortar Rifle | 141.12" | 1890MI | 54 | Bethlehem Iron Co. | Mortar, M1896MI, #126, Am. Hoist & D. Co. | 1902-1917 | ||
| B-3 | 12" Mortar Rifle | 141.12" | 1890MI | 55c | Watervliet | Mortar, M1896MI, #112, Providence Steam Engine Co. | 1902-1942 | ||
| B-4* | 12" Mortar Rifle | 141.12" | 1890MI | 14 | Niles Tool Works | Mortar, M1896MI, #127, Am. Hoist & D. Co. | 1902-1917 | ||
| Source: Coastal Defense Study Group | |||||||||