Brand new never used Army Works EBB recoil M4A1. It's pretty much a MT recoil shock clone. It comes with one Army Works Next gen hi cap and three MT next gen hi caps. It shoots around the 380 mark. It's uses 7.4 lipos, I wouldn't use anything lower because it would drain the battery very quickly and anything higher than 7.4 might damage the recoil motor. The only problem with the gun is the hop up needs replacing as it does close to nothing. I am willing to trade.