No photo yet
Rob Allen
Rob Allen Tuna Railgun 1m
—
Best Spearguns · head-to-head
Rob Allen Tuna Railgun 1m vs Salvimar Predathor Pneumatic 55cm
A sourced, side-by-side comparison. Salvimar Predathor Pneumatic 55cm is cheaper at $254.95. Every spec and price links to its source.
No photo yet
Salvimar
Salvimar Predathor Pneumatic 55cm
$254.95
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Rob Allen Tuna Railgun 1m | Salvimar Predathor Pneumatic 55cm |
|---|---|---|
| US price | — | $254.95 |
| Brand | Rob Allen | Salvimar |
| Released | — | — |
| Barrel length | 100 cm (39.4 in) | 55 cm (21.7 in) |
| Power type | band | pneumatic |
| Bands | 2x 16mm | — |
| Shaft diameter (mm) | 7.5 | 8 |
| Barrel material | aluminum (aircraft-grade, hard anodized) | aluminum (round alloy) |
| Effective range (ft) | — | — |
| Reel ready | Yes | — |
| Buoyancy | — | — |
Sources — Rob Allen Tuna Railgun 1m: roballen.co.za (verified 2026-08-11). Salvimar Predathor Pneumatic 55cm: scuba.com (verified 2026-08-11).
What's the difference between the Rob Allen Tuna Railgun 1m and Salvimar Predathor Pneumatic 55cm?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Barrel length: Rob Allen Tuna Railgun 1m 100 cm (39.4 in) vs Salvimar Predathor Pneumatic 55cm 55 cm (21.7 in)
- Power type: Rob Allen Tuna Railgun 1m band vs Salvimar Predathor Pneumatic 55cm pneumatic
- Shaft diameter (mm): Rob Allen Tuna Railgun 1m 7.5 vs Salvimar Predathor Pneumatic 55cm 8
- Barrel material: Rob Allen Tuna Railgun 1m aluminum (aircraft-grade, hard anodized) vs Salvimar Predathor Pneumatic 55cm aluminum (round alloy)