Guarder Bore-Up Polycarbonate Piston Head with Bearing Seals New style tactical look for

New style tactical look for your Shotgun

So the magazine insertion is in correct position

Inner Barrel Length: 245mm

5" barrels extends the overall length to 16

-WA Steel Magazine Catch

Guarder Bore-Up Polycarbonate Piston Head with Bearing Seals New style tactical look forBore Up Series upgrade part Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective Custom 6 holes ventilation design increase the stability during full auto shooting mode It creates soft & quieter shooting sound than the sister part, Aluminum Version Reinforced piston head will provide extra duration during rapid & prolonged firing Recommended to use along with Upgrade Springs As always, upgrading AEG require necessary skill &