Rob Allen Tuna Speargun
Rob Allen Tuna aluminum barrel railgun speargun
Rob Allen Aluminum Tuna Railgun with Open or Closed Muzzle, 2 x 16mm Rubbers and a 7.5 mm Spear.
Rob Allen aluminum rail barrels have the same dimension as the carbon barrels. The rail level lines up with the profile of the mechanism and the muzzle. The integral rail is part of the barrel, thus increasing stiffness and reducing flex. This makes the guns deadly accurate. The rail barrel is manufactured from aircraft grade aluminum with a wall thickness of 1.45mm, and the mechanism is manufactured from glass reinforced nylon and has a solid 316 stainless steel sear. Rob Allen Vecta Aluminum Railguns are available in lengths from 70cm to 160cm.