An Aluminium Piston head made for many Tokyo Marui GBBs such as the Hi-Capa 5.1/4.3, 1911, P226, G26 and the G26 Advanced with a reinforced O-ring and a single direction air inlets for less cycle resistance.
An Aluminium Piston head made for many Tokyo Marui GBBs such as the Hi-Capa 5.1/4.3, 1911, P226, G26 and the G26 Advanced with a reinforced O-ring and a single direction air inlets for less cycle resistance.