KWA Originals AEG2.5+ EVE-9KO: EVE 9 AEG 2. 5+ The KO: EVE 9 AEG, the longer of KO EVE, is meant to rival the T10 without the kickback of our recoil system; it is a nod back to our original Ronin 10 SBR. With improvements to the overall design and feel such as the high strength polymer receiver set and MLOK handguard. The weight is considerably lighter and well balanced. he side charging handle allows for convenient hop up adjustment and the integrated pistol grip is optimized