ACM - Hartman MH1 Style Red Dot Sight m40 These Helmets fit larger than

These Helmets fit larger than the Fast Bump Style

Reinforced tappet plate

push forward compression

The gas is stored in a removable gas cartridge stored in the stock of the gun

Slide is serrated giving a very tactile feel

ACM - Hartman MH1 Style Red Dot Sight m40 These Helmets fit larger thanHartman MH1 style red dot sight The MH1 is an advanced tactical red dot reflex sight. It has the largest field of view through the sight which greatly improves target acquisition and situational awareness in day & night (NVD) scenarios. The MH1 uses a shooter designed reticle which helps to maintain the weapon on a vertical plane for more accurate shooting using balancing lines at 3 & 9 oclock and a centered red dot. Unique functions such as a USB