Details, This is a replica of the world famous Glock 17 pistol which is the start of the Glock family. This has a 24 round capacity magazine with a metal top slide and gas blow back feature. As this has a metal top slide we recommend using Green gas with this pistol. As with all Gas Blow Back weapons performance varies depending on ambient temperature and speed of firing. Please note we spray these ourselves to make these available to you, so they may take a day or so extra to get to you. Please note two tone colour may vary from the colour pictured. You MUST be 18 or over to purchase this. This is a Two Tone imitation firearm, complies with the latest legislation and can be purchased online by anyone aged 18 or over. Please note, re-painting/colouring the imitation firearm to be more realistic is a criminal offence and will void your warranty.