# Rob Allen Tuna Railgun 1m vs Beuchat Marlin Evil 2 Double Sling 90cm: specs and price compared

A sourced, side-by-side comparison of the Rob Allen Tuna Railgun 1m (Rob Allen) and Beuchat Marlin Evil 2 Double Sling 90cm (Beuchat) among spearguns.

## Side by side

| Spec | Rob Allen Tuna Railgun 1m | Beuchat Marlin Evil 2 Double Sling 90cm |
| --- | --- | --- |
| US price | not published | not published |
| Brand | Rob Allen | Beuchat |
| Barrel length | 100 cm (39.4 in) | 90 cm (35.4 in) |
| Power type | band | band |
| Bands | 2x 16mm | 2x 14mm Megatonne (double sling) |
| Shaft diameter (mm) | 7.5 | 6.5 |
| Barrel material | aluminum (aircraft-grade, hard anodized) | aluminum (28mm tube) |
| Effective range (ft) | — | — |
| Reel ready | Yes | Yes |
| Buoyancy | — | — |

## Key differences

- Barrel length: Rob Allen Tuna Railgun 1m 100 cm (39.4 in) vs Beuchat Marlin Evil 2 Double Sling 90cm 90 cm (35.4 in)
- Bands: Rob Allen Tuna Railgun 1m 2x 16mm vs Beuchat Marlin Evil 2 Double Sling 90cm 2x 14mm Megatonne (double sling)
- Shaft diameter (mm): Rob Allen Tuna Railgun 1m 7.5 vs Beuchat Marlin Evil 2 Double Sling 90cm 6.5
- Barrel material: Rob Allen Tuna Railgun 1m aluminum (aircraft-grade, hard anodized) vs Beuchat Marlin Evil 2 Double Sling 90cm aluminum (28mm tube)

## Sources

- Rob Allen Tuna Railgun 1m: https://www.roballen.co.za/?product=rob-allen-tuna (roballen.co.za, verified 2026-08-11)
- Beuchat Marlin Evil 2 Double Sling 90cm: https://www.beuchat-sports.com/gb/spearfishing/796-marlin-evil-2-double-sling.html (beuchat-sports.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/spearguns/rob-allen-tuna-railgun-100-vs-beuchat-marlin-evil-2-90/
Cite: Per The Front Desk Review, Rob Allen Tuna Railgun 1m (not published) vs Beuchat Marlin Evil 2 Double Sling 90cm (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/spearguns/rob-allen-tuna-railgun-100-vs-beuchat-marlin-evil-2-90/
License: CC BY 4.0.