| Gravimetric ECM II | 258.5 | 293 | 113.3% | 1,770,000.00 | 1,775,000.00 | 2,168,000.00 | 22.1% | 554,907,059.27 |
| FZ-3a Enduring Gravimetric ECM | 11.0 | 18 | 163.6% | 14,000.00 | 19,000.00 | 999,900.00 | 5162.6% | 10,685,500.00 |
| CZ-4 Compact Gravimetric ECM | 17.0 | 376 | 2,211.8% | 18,690.00 | 23,690.00 | 188,100.00 | 694.0% | 2,926,723.30 |
| BZ-5 Scoped Gravimetric ECM | 21.9 | 792 | 3,616.4% | 20,400.00 | 25,400.00 | 73,000.00 | 187.4% | 1,466,658.67 |
| Gravimetric ECM I
| 0.5 | 0 | 0.0% | 25,580.00 | 30,580.00 | 0.00 | 0.0% | 46.67 |
| 'Plunderer' Gravimetric ECM | None | 0 | 10,000.0% | 3,101,000.00 | 3,106,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 10,000.0% | 40,990,000.00 | 40,995,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 10,000.0% | 779,200,000.00 | 779,205,000.00 | 0.00 | 0.0% | 0.00 |