1. Material: The cylinder head screw is likely manufactured from durable materials to withstand the pressure exerted by the compressed air within the rifle's cylinder.

2. Precision Design: The screw is designed with precision to meet the high standards associated with Feinwerkbau air rifles, ensuring a secure and reliable connection.

3. Compatibility: The FWB Cylinder Head Screw is specifically designed for use with particular models of Feinwerkbau air rifles, ensuring compatibility and a proper fit.

4. Functionality: As a part of the cylinder assembly, the screw plays a crucial role in maintaining the integrity of the air reservoir, contributing to the overall performance of the air rifle.

FWB Hexagon socket head cap screw M3x20 For :
FWB 800X,
FWB 700 Evolution Top,
FWB 700 ALU Stock,
FWB 700 UNIVERSA