Geissele Automatics 05-315B Super MK4 M-Lok Rail AR15 Rifle Aluminum Black 15" The Super Modular Rail (SMR) MK4 M-LOK Are Purpose-Built And Feature Integrated M1913 Picatinny Rail sections at The Fore Of The Rail In The 3, 6 And 9 O'clock Positions. It Also features Geissele's Proprietary 2" Long Barrel Nut. Type: Railed Forend Firearm Type: Rifle Firearm Model: AR-15 Material: Aluminum Finish: Black Rails: Picatinny
Note : IF THIS IS YOUR FIRST TIME PURCHASING A GEISSELE AUTOMATICS RAIL, YOU WILL NEED TO PURCHASE A GEISSELE BARREL NUT WRENCH IN ORDER TO PROPERLY INSTALL THE RAIL.
This product is not returnable. Contact the manufacturer for warranty and assistance.