The 4 position Arcs (Accessory Rail Connectors) on the side of the helmet allow for attaching cameras

Last but not least you also get a SP88 sidepanel

Maple Leaf Adjustment arm for hop-up chamber

Light Orange: Filters most blue light

Ultimate Stempelhoved, CNC clayplay The 4 position Arcs (AccessoryUltimate has their new piston head here. It is manufactured from CNC aluminum and comes with 8 built in pressure holes and an o ring to reduce friction when the spring is running. The ventilation holes are also made so that the o ring creates a seal against the sides of the cylinder. It is 14. 5 mm in diameter, which makes it fit in most AEG weapons. The thickness is 8. 6 mm