The RS Regulate Trijicon RMR Modular Upper is a precision-engineered mount designed for seamless integration with the AK-300 Modular Side Mount System. This lightweight 1 oz upper provides a secure platform for popular red dot optics with a matte finish.RS Regulate Trijicon RMR Modular UpperCompatible with Trijicon RMR RMR Type 2 and Holosun HS507C opticsCompact dimensions: 1.9 x 1.9 x 0.96 inchesLightweight construction at only 1 ozMatte finish for reduced glareModular design works with AK-300 system lowersPart of RS Regulate's comprehensive AK-300 Modular Side Mount System this upper mount offers versatile optic mounting solutions for AK platform rifles with reliable repeatable zero retention.