Blasters3D Modulus Barrel Adapter (PT+) for M416 Gel Ball Blaster - Allows You to Use Foam Dart and Foam Ball Muzzle Mods - For Nerf BarrelsThis Blasters3D product allows you to attach Nerf Modulus front barrels to your M416 Gel Blaster. With this adapter, you can use any Modulus mock silencer and mock suppressor in front of the M416 Gel Blaster. Check out Blasters3D muzzles for Modulus for an even bigger barrel selection. This adapter slips onto the orange tip of the M416 Gel Ball Blaster via fiction fit. It can be attached and removed easily, allowing you to use both M416 Gel Ball