There is no doubt that the simpler the airsoft equipment, the more useful they are. So I don't think there is a comfortable swaddle like a forend, which comes straight out of the rail set. In most of the m4 models, the battery is installed in stock. So if you want to install a stock of CBQ? that's when the battery becomes a very serious problem. Because the stock models with the battery in the stock are quite limited and almost all of them are not CQB. 4.6 / 5 If you want to take your battery in the front and take a more accurate and comfortable shot, this Foregrip will definitely be the right choice.