Air gun specifically developed for young people. Single block with air pressure at 250 bar of pressure and closing with conical shutter / camerator. Caliber 4,5 mm. Designed for the sole use of compressed air with pressure reducer inside the drum. Reliable side-view pressure gauge for safe pressure reading. Excellent quality and low weight, ideal for the Champions of tomorrow. Supplied only one tank, fixed target leaf, handle with adjustable ambidextrous hand rails; the first of its kind, very versatile even for shooting clubs. The interchangeability of the pieces with the K10 offers the possibility to make it grow together with the shooter.