The new KWA AEG 3 RM4 SR10 is the third model in the new and improved 3rd Generation family. This ERG model is updated so that it now shares the newest features introduced in the AEG 2.5s, meaning you get that signature KWA simulated recoil from every shot with the patented Kinetic Feedback System. High quality low resistance wiring combined with a Switch Life Extender ensure minimal wear and tear and less maintenance is needed on the trigger contacts. The RM4 combines the ultimate AEG rifle with a more cost effective training solution to provide players and professionals the best airsoft experience. The Magazine Cutoff compatibility allows the player to shoot all the rounds in the magazine and the rifle with automatically stop the firing action once empty, to prevent breakage from dry fire. This rifle comes equipped with a Quick Spring Change System to allow users to quickly and easily customize the power or rate of fire on their KWA rifle to their specific needs. Paired with the signature KWA torque motor and a heavy spring, and you’ve got the perfect AEG for mid to long range engagements. The SR10 comes with a 16” full metal one piece bull barrel and a 10” free float RIS rail system, ensuring you've got both the accuracy and rail accessory space to make each shot count. Utilize the rail space to add your favorite optic accessory and tactical flashlight or laser. This rifle is rear wired and ready for a LiPo Battery (Not Included), and offers near unmatchable reliability thanks to the one piece full metal upper receiver and sturdy build. The next level gearbox has a 9mm ball bearing bushing combo with case hardened gears to ensure smooth and rapid gear change and long lasting durability. By combining a rugged metal build with the power and accuracy needed to out-gun the competition, KWA has created an AEG that will surely resonate with players of all skill levels and play styles.