Template:FtCanbyBatteryGuenther
| No. | Caliber | Length | Model | Serial No. | Manufacturer | Carriage | Service Dates | Notes | |
|---|---|---|---|---|---|---|---|---|---|
| A-1 | 12" Mortar Rifle | 129.25" | M1890MI | 29 | Builders Industrial Foundry | Mortar A.R.F., M1896MI, #124, Am. Hoist & D. Co. | 1921-1942 | From Battery Clark | |
| A-2 | 12" Mortar Rifle | 129.25" | M1890MI | 35 | Builders Industrial Foundry | Mortar A.R.F., M1896MI, #123, Am. Hoist & D. Co. | 1921-1942 | From Battery Clark | |
| B-1 | 12" Mortar Rifle | 129.25" | M1890MI | 48 | Watervliet | Mortar A.R.F., M1896MI, #119, Am. Hoist & D. Co. | 1921-1942 | From Battery Clark | |
| B-2 | 12" Mortar Rifle | 129.25" | M1890MI | 34 | Watervliet | Mortar A.R.F., M1896MI, #120, Am. Hoist & D. Co. | 1921-1942 | From Battery Clark | |
| Source: Coastal Defense Study Group | |||||||||