G&G Armament have shared details of their reinforced piston head:
The re-engineered reinforced piston head allows for a smoother rate of fire and a quieter gearbox operation. The O-ring provides exceptional air seal and the ported front improves air efficiency. Compatible with both Version 2 and 3 gearboxes for versatility and performance. Contact your local G&G Dealer for pricing and availability.
G&G Armament
