Details, This official Swiss Arms version of the Sig 552 Commando rifle is firing at 300fps using 0.12g BBs. This 1/1 scale airsoft rifle has metal parts where it counts such as the trigger assembly, mode selector, cocking handle and the stock hinge. The rest of the rifle is made from plastic, but feels very sturdy. This is spring powered meaning to fire you first ready the spring by pulling back the cocking lever then you're ready to fire. Please note two tone colour may vary from the colour pictured. You MUST be 18 or over to purchase this product. 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.