The Gunsmith Bros Steel Outer Barrel is made specifically for the Tokyo Marui 5.1 Hi-Capa. It's made out of CNC steel. The silver finish was came from the titanium nitride coating, which is the same coating that used on real steel barrel and excellent anti-scratch performance.
The Gunsmith Bros Steel Outer Barrel is made specifically for the Tokyo Marui 5.1 Hi-Capa. It's made out of CNC steel. The silver finish was came from the titanium nitride coating, which is the same coating that used on real steel barrel and excellent anti-scratch performance.