| Gravimetric ECM II | 42.0 | 405 | 964.3% | 1,792,000.00 | 1,797,000.00 | 1,630,000.00 | -9.3% | 65,648,799.99 |
| CZ-4 Compact Gravimetric ECM | 27.3 | 858 | 3,142.9% | 47,890.00 | 52,890.00 | 63,000.00 | 19.1% | 8,215,083.32 |
| BZ-5 Scoped Gravimetric ECM | 16.8 | 3,066 | 10,000.0% | 52,980.00 | 57,980.00 | 92,460.00 | 59.5% | 1,549,464.00 |
| 'Plunderer' Gravimetric ECM | None | 0 | 0.0% | 5,992,000.00 | 5,997,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 0.0% | 74,890,000.00 | 74,895,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 0.0% | 1,982,000,000.00 | 1,982,005,000.00 | 0.00 | 0.0% | 0.00 |
| Gravimetric ECM I | None | 6 | 10,000.0% | 119,400.00 | 124,400.00 | 250,000.00 | 101.0% | 0.00 |
| FZ-3a Enduring Gravimetric ECM | None | 531 | 10,000.0% | 17,970.00 | 22,970.00 | 345,000.00 | 1402.0% | 0.00 |