Strike (ASG) Offset 30mm Mount - 20mm Rail Quantity_Single Bottle This helmet from FMA is

This helmet from FMA is a fantastic replica of the PJ-type FAST Military Helmet

Adjustable Sights : The rear sight is adjustable in the same way as the real MK46 (left/right & up/down)

Very easy to strip and re-build should you ever need to

High quality ABS plastic construction with metal parts

Also ships with four tan coloured rail covers

Strike (ASG) Offset 30mm Mount - 20mm Rail Quantity_Single Bottle This helmet from FMA isOne piece mount intended for lightweight 30mm scopes or dot sights. Keeps the scope dot sight higher off the rail for faster aiming. Holds scope dot sight in one wide body ring. Fits scopes and dot sights with a 30mm (1. 2") body. Mounts to any 20mm rail.