DRS 2.0E 20-2926
When looking for a reflex sighting solution for your duty pistol, shotgun or AR, you’re looking to achieve one goal – to always be ready.  The DRS 2.0E 20-2926 Enhanced will undoubtedly help you find your target fast and take the shot accurately.  Its 3 MOA, daylight bright, ambient light sensing red dot is the perfect dot for precise impacts.  The DRS 2.0 Enhanced features a multicoated lens, wide field of view, aircraft grade aluminum housing, and edge-to-edge clarity that makes it the perfect choice for any application.  Readily accessible 1 MOA elevation and windage dials, side load battery compartment, and common footprint allows for a quick and simple sight in and zeroing process.

Description
– Red Dot Size Options: 3 MOA dot
– Lens: Multi-Coated 1X
– Housing Material: 6061 T6 Aluminum
– Illumination Controls: Auto/ Ambient Light Sensor
– Illumination Settings: Always On
– Battery: One 3V lithium battery, CR2032
– Battery Life: 2 to 3 years
– Waterproof & Fogproof
– Footprint: Viper (Downloadable Footprint Specification Drawing)

U.S. Optics DRS 2.0 Enhanced Compatibility
Vortex Viper Footprint

Examples:

Glock:
MOS Plate #1

HK VP9:
Plate #5

Canik:
Plate #1

S&W M&P:
Plate #5

Nighthawk IOS System
Third Option