| Gravimetric ECM II | 48.3 | 164 | 339.5% | 1,117,000.00 | 1,122,000.00 | 1,454,000.00 | 29.6% | 59,905,206.63 |
| BZ-5 Scoped Gravimetric ECM | 4.4 | 3,274 | 10,000.0% | 49,060.00 | 54,060.00 | 90,570.00 | 67.5% | 401,058.00 |
| Gravimetric ECM I | 0.5 | 0 | 0.0% | 2,295.00 | 7,295.00 | 0.00 | 0.0% | 74,620.00 |
| FZ-3a Enduring Gravimetric ECM | 0.7 | 548 | 10,000.0% | 10,050.00 | 15,050.00 | 45,000.00 | 199.0% | 31,500.00 |
| CZ-4 Compact Gravimetric ECM
| 0.7 | 130 | 10,000.0% | 91,140.00 | 96,140.00 | 44,880.00 | -53.3% | 24,472.00 |
| 'Plunderer' Gravimetric ECM | None | 0 | 0.0% | 5,108,000.00 | 5,113,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 0.0% | 25,210,000.00 | 25,215,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 0.0% | 57,060,000.00 | 57,065,000.00 | 0.00 | 0.0% | 0.00 |