Lonex is the latest company to provide complete airsoft guns with electric recoil and blowback features and here's Bob to tell more about their M4 which they will have in stock soon... "Airsoft GI is committed to bringing the newest guns and gear to our viewers, and today, we are very proud to give you a sneak peak at the new Lonex Recoil M4. Lonex is known for their high quality internal parts, as well as their OEM of our FMG4s. Now, they are branching out into making their own guns, and they are including a recoil kit in it."