Stiffi Paintball Barrel A5 / X7 Threaded .691 Bore 18" Length Airsoft Gun Parts & Upgrades The FN-57 by Marushin is

The FN-57 by Marushin is a faithful replica of the real steel counterpart by FN herstal with amazing performance

while at the same time achieving the lowest possible sound signature

and ASA Adapter

Fire Modes: Semi / 2rd Burst / Full-Auto

Stiffi Paintball Barrel A5 / X7 Threaded .691 Bore 18" Length Airsoft Gun Parts & Upgrades The FN-57 by Marushin isThe Stiffi Barrel is made from advanced Aerospace Materials Carbon Fiber. At 1. 7 3. 0 ounces, Stiffi Barrels are 3 to 7 times lighter than Metal Barrels. Stiffi's MicroJeweled bore creates a hi tech polymer glass like finish giving you unparalleled accuracy. All one piece Stiffi Barrels have a Stepped Bore for less ball drag and better shoot through on barrel breaks. Will not expand and contract with temperature changes, giving you consistent