Equipped with a 28 mm watertight anodized aluminum flat black antireflective barrel. A hydrodynamic muzzle with an integrated shaft and line guide, incorporate two screws on 16mm (5/8) bands with articulated stainless steel wishbones. Stainless steel shaft attachment system is encapsulated on a removable module. Standard shaft is a stainless steel 6.5mm Tahitian model for fast accurate penetration.