OSIGHT K-RD Red 6 MOA Open Reflex Sight - RMSc Footprint Computer Fans & Cooling and the inner diameter has

and the inner diameter has been enlarged from 5 mm to 7 mm to reduce flow resistance

while an arsenal of USB ports includes three Type-C connections

Switch to AC power when you need to shoot for longer durations

RoHS (EU 2011/65/EU): Yes

Image Size (pixels) [3:2] - L: 6192 x 4128 (26M)

OSIGHT K-RD Red 6 MOA Open Reflex Sight - RMSc Footprint Computer Fans & Cooling and the inner diameter hasOsight K RD Red 6 MOA Open Reflex Sight RMSc Footprint Product Description: The Osight K RD Open Reflex Sight is a rugged, lightweight reflex optic engineered for fast target acquisition and reliable performance on compact and subcompact firearms with the RMSc footprint. Designed for everyday carry, defense, and range use, this optic features a bold 6 MOA red dot reticle that provides quick visual alignment while maintaining a clear sight picture for