SIGHT MOUNT ADAPTER PLATE

B Plate: Colt 1911 Such as -22 Pistol Mount Plate

D Plate: Glock Mount Plate will fit 

G17/19/22/23/26/27/29/30/31/34/35/36/37/41
they all use the same rear sights

To fit following micro red dots

1. Ade Advanced Optics rd3-001, rd3-02, rd3-009

2. Sightmark mini shot reflex sigh

3. Vortex Razor/Viper/Venom micro red dot

4. Burris Fastfire micro red dot(some burris red dot might require longer screws which is not included