| Gravimetric ECM II | 273.2 | 262 | 95.9% | 2,080,000.00 | 2,085,000.00 | 2,152,000.00 | 3.2% | 579,153,939.06 |
| FZ-3a Enduring Gravimetric ECM | 11.0 | 118 | 1,072.7% | 19,950.00 | 24,950.00 | 65,000.00 | 160.5% | 10,685,500.00 |
| CZ-4 Compact Gravimetric ECM | 17.0 | 373 | 2,194.1% | 60,000.00 | 65,000.00 | 188,100.00 | 189.4% | 2,848,393.30 |
| BZ-5 Scoped Gravimetric ECM | 24.0 | 783 | 3,262.5% | 39,970.00 | 44,970.00 | 73,000.00 | 62.3% | 1,539,108.67 |
| Gravimetric ECM I
| 0.5 | 0 | 0.0% | 189,600.00 | 194,600.00 | 0.00 | 0.0% | 46.67 |
| 'Plunderer' Gravimetric ECM | None | 0 | 10,000.0% | 7,490,000.00 | 7,495,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 10,000.0% | 75,000,000.00 | 75,005,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 10,000.0% | 1,982,000,000.00 | 1,982,005,000.00 | 0.00 | 0.0% | 0.00 |