War Inc M4A1 RIS Dual Loading Airsoft Rifle with Mock M203 Grenade Launcher - Tophatter's Army Products & Self DefenseWar Inc M4A1 RIS Dual Loading Airsoft Rifle is made up of High Density Composite Materials. It is Spring powered with Adjustable Stock and Hi Capacity Magazine. War Inc M4 AEG Rifle with Mock M203 Grenade Launcher is a spring powered rifle with velocity up to 328 FPS Patented BAXS shooting system for better accuracy and distance High capacity magazine holds up to 350 BB's for longer play time High density composite material for extended durability