HOLOSUN HE507K-GR X2 Dot Sight - Black Earbuds They have not been mounted

They have not been mounted on firearms

75” of eye relief

The HM3X has a generous 2

Output Low: 500 Lumens

540nm green emitter delivers strong contrast in bright conditions while maintaining up to 100

HOLOSUN HE507K-GR X2 Dot Sight - Black Earbuds They have not been mountedThe HE507K GR X2 is an open reflex optical sight designed for subcompact pistol applications. The HE507K GR X2 improves on previous the version by adding Lock Mode which was first introduced in our 2018 LEM pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include Holosuns Green Super LED with up to 50k hour battery life, Multi Reticle System, and Shake Awake. The durable