This Laylax handguard comes with several options; Small, Medium or Large. This is the new Nitro.Vo KeyMod Handguards for the Krytac KRISS Vector AEG. These have a standard Picatinny rail and it is a lightweight and easy-grip design made of aluminium alloy. Each package contains 1 KeyMod Handguard, SUS Spacer x 4, and Hexagon socket Head Screw Cap x 4. So you are good to go! the Vector AEG is on the market now, more and more aftermarket parts will have their introduction. We will keep you posted while you are waiting for the EU release...