Kart Airsoft P90 Electric Gun – Kart KSP90 AEG. Airsoft Personal Defense Weapons (PDW) are all the rage now, and Kart has created a great TM Clone, the KSP90. OEM’d by a few of the bigger Airsoft distributors, the Kart KSP90 is sure to be hit. Use it as a back-up or primary CQB Weapon, your sure to get great performance out of this AEG. Kart have manufactured a dream airsoft gun. This is simply a must have for any enthusiast.