Great Upgrade for any gear box.
Each FPS Cylinder head is made of ERGAL and it is also anodized for smooth surface finish.
The Cylinder heads are CNC manufactured to ensure a product with maximum durability and precision.
The large sizes of the two o-rings ensure a perfect seal on all cylinders on the market.
Powerful built in UREPAN bumper that absorbs the shock from the piston head.
Among the excellent characteristics of UREPAN are:

- high dynamic load capacity
- high abrasion and tear propagation resistance
- highest modulus of elasticity of all elastomers
- excellent mechanical wear resistance
- high impact resilience
- low compression set
- non-marking floor protection
- non-staining wheel tread material

Furthermore, UREPAN offers good chemical resistance to mineral oils and greases as well as various solvents.
UREPAN is recommended for all applications with high demands regarding load capacity, rebound resilience, speed and durability.
Perfect for most : M4 , M16 , SR16 , MP5 , MC51 , G3 , M249 , LR300.
Compatible with ICS, Tokyo Marui, Classic Army, VFC and more.
This product is designed and manufactured entirely in Italy by technicians who have years of experience in the repair and modification of airsoft replicas.
100% MADE IN ITALY
100% MARUI COMPATIBLE

DEGREE SHORE GUIDE

80 DEGREE RED RUBBER - Ideal for overjoule springs and fast ROF.

70 DEGREE ORANGE RUBBER -  Suitable for multipurpose use.

60 DEGREE YELLOW RUBBER -  Suitable for use on custom DMR, to protect notoriously fragile gerboxes and reduce the noise of the replica.