The Real steel most notably has a new gas operating system from the G36. Customers have the option of purchasing a new upper receiver, buffer and drive spring to refurbish M4s or buying a completely new and complete HK417.
The HK417 includes international symbols for Safe, Semi-Automatic, and Fully automatic, a redesigned retractable stock which allows the user to rotate the butt plate, a new pistol grip made to more ergonomically fit the hand and, attached to the rifle is a new single-piece hand guard with a free floating Metal RIS system, used for mounting accessories.
This is the Recoil shock system which is an innovative system from Tokyo Marui is adapted from the oldest M4 SOPMOD and now in this full metal HK417, including blowback system and also a lock-bolt function which stops the gun from firing on the last round of BB fired just like the real gun and similar to the more expensive Systema PTW. Pop in a new fully loaded magazine, press on the bolt-release button on the side of the receiver and you are ready to fire again!
Employing the new SHOOT & RECOIL Engine Version 2, this new 417 is a blast to shoot with both sound and visual gratification to boot. The gun comes with a standard Tokyo Marui 70 round magazine. The gun is of full aluminum (i.e. Full metal) construction with ABS stocks and grips for more realistic feel!