The ULTIMATE® Upgrade Series cylinder head have been CNC manufactured in machine-aluminium and thereafter anodized with a colour code for easy recognition. The heads have been designed with double rubber seals to minimize loss of compression from the cylinder. The special ‘trumpet design’ ensures optimal delivery of air to the barrel/BB. Furthermore, the cylinder heads have a powerful built-in rubber band that absorbs the shock from the piston head. Orange for AUG. ULTIMATE®’s cylinder parts are designed to give the best possible air compression and durability. For this reason we recommend always using ULTIMATE® cylinder parts and not combining or mixing with other upgrade parts as this can affect the result and performance of the upgrade.

The cylinder is made of steel and have been surface treated to ensure low friction and high durability. The placement and size of the decompression holes have been designed to help give maximum compression thus increasing the effect. For MP5, with an internal barrel length of 301-400 mm. ULTIMATE®’s cylinder parts are designed to give the best possible air compression and durability. For this reason we recommend always using ULTIMATE® cylinder parts and not combining or mixing with other upgrade parts as this can affect the result and performance of the upgrade.

O-Rings for Silent Cylinder Head 4-pack

Cylinder Head für L85

Cylinder Head für die FN2000 / PDW99 von G&G (G2010 Series) - Metall

Aluminum Cylinder Head for TM Series Ver.2 AEG (G3/M4/M16/MP5)   - Made of Aircraft aluminum alloy - It's ultra-light and durable - Redesigned the port of nozzle - making it like a bell to allow a further better performance - Compatible with Classic Army, Tokyo Marui

ICS MC-236 APE/G33 Cylinder Head

CNC Hardened Stainless Steel Cylinder Maxx Model

Stainless Hard Cylinder Type E 201 to 250 mm Barrel G&G - Prometheus