Table 1.
Description of air rifles used in the measurement of impulses. Muzzle to ear level microphone distances are also noted.
| Manufacturer (Label Key) | Model | Caliber | Suppressor | Labeled Velocity (fps) | Distance Muzzle to Ear Microphones (cm) |
|---|---|---|---|---|---|
| Benjamin (Ben) | Trail NP XL | .177 | No | 1500 | 109.2 |
| RWS (D48) | Diana 48 | .177 | No | 1100 | 90.2 |
| Gamo (GCF) | CFX | .177 | Yes | 1200 | 97.8 |
| Gamo (GH2) | Hunter 220 | .177 | No | 1000 | 91.4 |
| Gamo (GSh) | Shadow | .177 | No | 1250 | 97.8 |
| Gamo (GVH) | Varmint Hunter HP | .177 | No | 1400 | 99.1 |
| Gamo (GWF) | Whisper Fusion | .177 | Yes | 1300 | 104.1 |
| Gamo (GWh) | Whisper | .177 | Yes | 1000 | 100.3 |
| RWS (D34) | Diana 34B | .177 | No | 1000 | 102.9 |
| Daisy (Red) | Red Ryder | BB (.177) | No | 350 | 81.3 |