M4A1, which has been adopted by the US military for many years, is loved by many users even in Japan. Following the era, the M4 series of electric guns of Tokyo Marui has also incorporated many changes along with the M4 series. 
The next generation electric gun · sopmod M4 reproduces the latest system of M4A1 carbine advanced by the US military. It incorporates various optional parts, and reflects the modern style of adapting one model to various types of battle as an airsoft gun without leaving it.

• Shoot & recoil engine installation: By pulling the trigger, the bolt is activated at the same time as launching, and the intense recoil generated inside the main body is transmitted to the whole body. Also adopts an auto stop system where the firing operation stops when the magazine becomes empty. It is a model pursuing reality of operation and operability.
• Equipped with metal RAS: Hand guard Equipped with RAS (rail adapter system) with mount rails on the four sides of the top and bottom. The numbering similar to the real number is printed on the rail part.
• Crane type · Stock: Adopted stock which can adjust the stock length to 6 stages. SOPMOD battery designed exclusively for the inside of the stock is stored.
• Exceptional rigidity realized: In addition to RAS, metal materials are adopted for various parts such as receivers, outer barrels, and buffer tubes. We realize the rigidity for safety even for game youth.
• Adjustable front / rear site: Adjustable top and bottom of the front site can be adjusted with the included adjustment tool. In addition, you can fine-tune the rear site by dialing up, down, left and right respectively.
• Corresponding to various muzzle options: If you remove the compensator of the muzzle, you can install a muzzle option of 14 mm reverse screw specification such as a silencer.
• Steel press magazine: 82 magazines and a magazine adopting a steel-made outer case similar to a bonnet are included. ※ There is no magazine compatibility with the electric gun standard type.