Enhanced Biodegradable BB

7-slot length

textured grip panel provide a non-slip grip

Prometheus EG Hard Gear - 18:1 Gearset (Original Torque)

New high grade open cell multi-layer foam provides an ultra-soft touch

SHS cylinder head & piston head conversion kit Airsoft Spring Shotgun Enhanced Biodegradable BBOften referred to as silent or mushroom piston and cylinder heads this design provides a more aerodynamic airflow path. It's effectiveness of silencing piston impact is questionable at best although it does have a rubber bumper on both the cylinder and piston head so it is slightly better than a flat piston head although still not as good as a sorbo pad due to their much softer material of the sorbo pads. As of yet I haven't seen any side by side