WE's gas system has become the most common rival of the WA/G&P full bolt system, especially since they released their open bolt technology; this particular mode comes with the open bolt system pre-installed.
W full metal and polymer AR type weapon, it feels very solid and robust; a fairly common factor on gas weapons, unlike AEGs, as their bodies are built to contain actually mechanical forces and are not just a basket to hold a gearbox. Besides the realistic action and real cap magazine, it also field strips like the real thing with self-retaining receiver pins (front pivot) and a removable bolt carrier group, buffer and spring. One other realistic function is switching to safe. This will only work once the magazine is in and the charging handle has been pulled back and released, only then will you be able to switch it to safe.
The open bolt in this rifle make it fairly realistic but more notably the WE technology kicks hard and loud. With an inner barrel that runs almost to the tip of the outer barrel, running Green / Propane gas through the normal WE AR magazines that this runs on allows it to launch 0.2g 6mm BBs at around 330-360 FPS (depending on ambient temperature). It also cycles pretty damn fast too.
This M4 CBQ style has a standard multi-position adjustable stock and front end but you can check with our sales department to see what find of aftermarket compatibility options are available if you wish. The carry handle is removable to expose the top rail to allow the addition of aftermarket optics.
WEs open bolt rifles are of a quality that are really starting to clip at the heels of higher end brands with performance that's comparable too them and a price tag on par with upper-mid end AEGs.