E&C MK18 RIS III SBR AEG WITH ESHOOTER ETU BROWN GEARS Hop-Up Compatibility: The hop-up window

Hop-Up Compatibility: The hop-up window shape is designed to be compatible with both normal and flat hop-up buckings (rubbers)

and light weight

Barrel Extension Tube

and 2020 gearboxes

This reflex airsoft sight is a versatile and durable optic

E&C MK18 RIS III SBR AEG WITH ESHOOTER ETU BROWN GEARS Hop-Up Compatibility: The hop-up windowELITE MODERN TACTICAL PERFORMANCE The E&C MK18 RIS III SBR is a high end 1: 1 replica that brings the latest modern rail technology to the airsoft field. Featuring the iconic DD MK18 RIS III system in a correct DARK BROWN color, this rifle combines a matte finish full metal receiver with realistic full trades for an authentic look and feel. ADVANCED INTERNAL ELECTRONICS This model comes pre installed with the ESHOOTER PROGRAMMABLE MOSFET BASIC ETU,