Guarder Polycarbonate Piston for Marui PSG-1 (Econ. Version) costa Make sure the soldering iron

Make sure the soldering iron has reach it's maximum working temperature

DYTAC Combat Series UXR4 Carbine M4 AEG (Deluxe Ver

and rear sling swivel and receiver top cover are made of steel

both are available as of 2012

To build a tight & durable gearbox  Design for replace the original Spring Guide  Fit For KWC MINIZUI Gas Blowback System use only  As always

Guarder Polycarbonate Piston for Marui PSG-1 (Econ. Version) costa Make sure the soldering ironEssential part for upgrading your Airsoft AEG This ECON version is lack of last teeth Polycarbonate Piston is the lightweight piston with high impact durability Unlike conventional one, this Guarder Piston is super lightweight Suitable for mainstream high speed tune up and has excellent operational characteristics Reinforced piston provide extra duration during rapid & prolonged firing Suitable for AEG brand: Tokyo Marui As always, upgrading AEG