Holosun Hs407k X2

The Holosun HS407K X2 is an open reflex optical sight for subcompact pistols. Upgrade your firearm with a durable and lightweight sight. The Shake Awake feature means it's always ready to go, and with up to 50k hour battery life, it's even more true. This sight is a direct mount for P365X/XL but requires an adapter plate for four-boss interface slides.