# Mares Viper Pro DS 75cm vs HammerHead Evolution² 55cm: specs and price compared

A sourced, side-by-side comparison of the Mares Viper Pro DS 75cm (Mares) and HammerHead Evolution² 55cm (HammerHead) among spearguns. Mares Viper Pro DS 75cm is the cheaper of the two at $299.95.

## Side by side

| Spec | Mares Viper Pro DS 75cm | HammerHead Evolution² 55cm |
| --- | --- | --- |
| US price | $299.95 | $328.99 |
| Brand | Mares | HammerHead |
| Barrel length | 75 cm (29.5 in) | 55 cm (21.7 in) |
| Power type | band | band |
| Bands | 2x 16mm S-Power speed circular slings with Dyneema wishbone | 2x Power Helix bands with Dyneema-coated nylon wishbones/bridles (diameter not published) |
| Shaft diameter (mm) | 6.5 | — |
| Barrel material | aluminum (rigid anodized, with shaft/line guide) | aluminum (aircraft-grade anodized, integrated shaft guide) |
| Effective range (ft) | — | — |
| Reel ready | — | — |
| Buoyancy | — | ballasted for neutral buoyancy |

## Key differences

- Barrel length: Mares Viper Pro DS 75cm 75 cm (29.5 in) vs HammerHead Evolution² 55cm 55 cm (21.7 in)
- Bands: Mares Viper Pro DS 75cm 2x 16mm S-Power speed circular slings with Dyneema wishbone vs HammerHead Evolution² 55cm 2x Power Helix bands with Dyneema-coated nylon wishbones/bridles (diameter not published)
- Barrel material: Mares Viper Pro DS 75cm aluminum (rigid anodized, with shaft/line guide) vs HammerHead Evolution² 55cm aluminum (aircraft-grade anodized, integrated shaft guide)

## Sources

- Mares Viper Pro DS 75cm: https://www.americandivingsupply.com/Mares-Viper-Pro-DS-Speargun-p/423426.htm (americandivingsupply.com, verified 2026-08-11)
- HammerHead Evolution² 55cm: https://hammerheadwebstore.com/products/evolution-2-speargun.html (hammerheadwebstore.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/spearguns/mares-viper-pro-ds-75-vs-hammerhead-evolution-2-55/
Cite: Per The Front Desk Review, Mares Viper Pro DS 75cm ($299.95) vs HammerHead Evolution² 55cm ($328.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/spearguns/mares-viper-pro-ds-75-vs-hammerhead-evolution-2-55/
License: CC BY 4.0.