Mares Sten Pneumatic Spearfishing Speargun

STEN Pneumatic Speargun — 13mm Inner Barrel | Lightweight, High-Performance Spearfishing The STEN pneumatic speargun combines precision engineering with sleek hydrodynamics for serious spearfishers. Its 13mm inner barrel accepts both 7mm and 8mm shafts , while an ultra-light, compact head and ergonomic handle deliver exceptional balance, visibility, and maneuverability underwater. 13mm inner barrel — compatible with 7mm & 8mm shafts 40mm outer barrel for stability and strength Lightweight one-piece muzzle for improved buoyancy and durability