M21 SELF ILLUMINATED REFLEX SIGHT COLOR:DE KeyMod and M-LOK parts are

KeyMod and M-LOK parts are included

Pure white

Thanks to the acoustic foam and lightweight construction

Ammo Type: airsoft BBs 6mm

M21 SELF ILLUMINATED REFLEX SIGHT COLOR:DE KeyMod and M-LOK parts areThe M21 provides instant, all light aiming capability, without batteries. which is battle proven, simple to use accurately and totally reliable. It offers a large 30mm diameter lens which allows rapid target acquisition with both eyes open. This was the first reflex sight in the world designed for close quarter combat. Illumination of the aiming point is achieved by a fiber optic collector system during the day, and by a miniature self powered tritium