Since our very beginning we have concentrated on upgrading and modifying the KWA RM4 series AEG rifles. Starting with the introduction of the original PTS RM4 series, we were the very first shop to take advantage of this new platform and begin upgrading and modifying it with the goal of superior performance. By now we have amassed considerable experience with this AEG and are proud to say that we are an authoritative source for upgrading the RM4 rifle.
The RM4 is a fantastic platform, offering all of the features of a similar gas blowback rifle, but without the Seasonal Affective Disorder. While many are satisfied with the stock performance of the RM4, we have always recognized that some things could be better: The RM4 is burdened with a terrible bucking design, and proper compression (particularly the air-nozzle) is next to non-existent in stock form. Additionally, AOE correction wasn't even an afterthought, and the thin factory pad on the back of the cylinder head will inevitably come loose over time and cause a piston jam. The giant fuse array and clumsy wiring connectors are a handicap when it comes to replacing the front end with different rail systems. The stock motor is adequate - but like most AEG's, it too will benefit from improvement.
The RM4 also has a bevy of proprietary parts, but we have been able to utilize many standard Version 2 designs and adopt them to the RM4. The outer barrel is one such proprietary part, but with selective modifications, we can modify and adapt ANY standard Version 2 outer barrel to your RM4! It is entirely possible to have a sub 10" barreled RM4 if you so desired - the possibilities are endless!
Contact us today and we can discuss how to take your RM4 to the next level!