| Size | Caliber | Shell Weight | RoF (rpm) | Available Mounts | Year Developed | Notes |
| 305mm | 45 | 405.5kg | 2-3 | Twin | 1918 | OTL UK 12" Mark X |
| 280mm | 45 | 302kg | 2 | Twin | 1910 | OTL German 28cmL45 |
| 250mm | 45 | 227kg | 2 | Single,Twin | 1900 | OTL Vickers 10"L45 |
| 210mm | 45 | 108kg | 4 | Single,Twin | 1920 | Under Development. OTL German 21cmL45 |
| 150mm | 45 | 45.3kg | 5 | Single | 1900 | OTL German 15cmL45 (From the Dutch) |
| 120mm | 45 | 22.68kg | 6 | Single | 1909 | OTL British 4.7"L45 BL Mark 1 (From the Dutch) |
| 105mm | 45 | 17.4kg | 15 | Single | 1900 | OTL German 105mmL45 |
| 75mm | 50 | 4.9kg | 12-15 | Single | 1888 | OTL Russian 75mmL50 Model 1892 |
| 57mm | 40 | 2.72kg | 18 | Single | 1884 | OTL Hotchkiss 6 pounder |
| 47mm | 40 | 1.5kg | 20 | Single* | 1885 | OTL Hotchkiss 3 pounder (* Fielded in both single barrel and 5 barrel revolver cannon) |
| 37mm | 35,40,45 | 0.48kg | 25 | Single | 1885 | OTL Hotchkiss 1 pounder |
| 15mm | | 0.08kg | 200 | Single | 1880 | Machine Gun |
| 13mm | | 0.05kg | 500 | Single | 1920 | OTL Browning 0.50" machine gun |