The CGS Hydra is a rimfire suppressor rated to .22, built from aluminum and mounting by direct thread in 1/2x28. It measures 5.6 inches long and 1 inch in diameter. As published, it is full auto rated and user serviceable, but not modular, and it is made in the USA. Measured against the 8 .22-rated suppressors in the index, it lands on the longer side for length (5.6 in) and on the pricier side for price ($399). The closest listed comparison is SIG Sauer SRD22X, another .22-rated can, priced at $399.

| Series | Hydra |
| Type | Traditional |
| Form Factor | Rimfire |
| Max Caliber | .22 |
| Mount Type | Direct Thread |
| Mount System | 1/2x28 |
| Diameter (in) | 1 |
| Length (in) | 5.6 |
| Material | Aluminum |
| Full Auto Rated | Yes |
| Modular | No |
| Serviceable | Yes |
| Country of Manufacture | USA |
| Average Price | $399 |
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