This listing is for (1) Nerf Rival Kronos Multi-Muzzle Adapter + Basic Muzzle Kit includes 3 pieces: Front plate- the main body piece, with adapter compatible with my Multi-Muzzle System. Sight plate- the secondary body piece, with the front iron sight. Basic Muzzle- a simple, no frills muzzle ring. ***CUSTOM MUZZLES CAN BE PURCHASED SEPARATELY; PLEASE SEE MY OTHER LISTINGS (PIC ONLY FOR EXAMPLE)*** Installation is easy; simply replace the stock parts with the body plates. NOTE: Primary Color refers to the body pieces and Secondary Color refers to the muzzle ring. Please check your local laws and regulations when choosing a color.