G&G Armament have shared details of their 7″ M-LOK Rail which can be pre-ordered now:
The 7″ M-LOK Metal Rail XXV for the ARP 556 2.0 is the perfect replacement or custom project. With a Picatinny rail on top and M-LOK Slots on the sides and bottom, there is plenty of real estate for scopes, optics, and tactical accessories. Pre-order with your local G&G dealer today!
G&G Armament