The AR-15 KeyMod Handguard is replacing the old picatinny rail system. KeyMod is a universal system of attachments that locks into a Free Float Tube. It is very versatile and customizable locking system. Here at Veriforce Tactical we sell the best AR-15 KeyMod Handguards on the market. With a big variety of styles, you will only have to look in one place for all your AR-15 KeyMod Rails. We also sell the KeyMod Accessories that will attach to your KeyMod forend.