Holosun 509 Adapter for Glock MOS 9mm Pistol

Radian Weapons Guardian EPS Mount shields your pistol red dot optic on top, front, and sides with 7075 aluminum hard anodized construction, while integrated back-up sights maintain an irons-forward sight picture. STUD-LOK threaded interface and TRU-SEAL technology with pre-installed O-rings ensure a secure,

Radian Weapons Guardian delivers the strongest optic mounting system available with TRU-SEAL technology that creates a watertight seal blocking moisture and corrosion. Integrated SIX backup sights provide rapid target acquisition if your red dot optic fails.