JG 7.5mm M4 Water Gel Ball Rifle (Model: 7.5" Keymod Rail)

"The build quality of the gun is outstanding. Full metal upper and lower receiver, pretty sure it is some sort of zinc alloy. Has metal gears, metal gear box shell, and I believe a metal piston inside. Gun shoots decently fast. If I had to guess, probably around 15 RPS with a 7.4v Lipo. It also shoots pretty darn hard, especially when compared to the other gel blasters you can get from those Chinese websites. JG Works, the airsoft company made this, meaning that chances are, any of your Version 2 gearbox upgrades for your airsoft gun will also work on this gun as it runs a typical V2 gearbox. Overall, it is a good gel gun for the price given the performance on paper.

Here are the bad things about this gun. First off the mag that the gun comes with is junk. I wouldn't even bother to use it at all as it feeds maybe every other shot. When I used the mag, I had to tilt the gun at an angle of 45 degrees for it to even shoot semi-consistently. Go out and buy yourself some Jinming magazines. Just make sure they are the high catch, wide recessed variants. Another bad thing about the gun is that when I first got it, the air nozzle o-ring was not attached properly causing the gun to not feed properly. The o-ring would be left in the "chamber" not allowing the gun to feed/shoot. Additionally my gun had an issue with shooting only full auto despite me putting it on semi. I sent my gun back to Evike for warranty repairs and it's been working flawlessly since then.

A friend of mine who bought this gun also had the same exact issue with the o-ring coming off the air nozzle not allowing the gels to feed as well being given a bad magazine. He also had an issue with his gun "running away" meaning that when he is shooting full auto, then letting go of the trigger, the gun would still continue to shoot.

If you can look past these issues, the gun is a solid pick. Just make sure to test it out as soon as you get it and to see if the o-ring on the air nozzle is properly attached.