CAA Airsoft Division RONI kit can use on Airsoft gun ONLY
Suitable For Tokyo Marui, KSC, WE, G17 / G18C Series Airsoft Gas Blow Back GBB Pistol.
easily convert pistol to an accurate carbine by simply unlocking two pins
Extendable Buttstock equipped
Full Length Top & side Rails 
Full Elevation Front Sight and Full Windage Rear Sight.
Holder on Stock for spare magazine reload.
Extendable 5 position stock.
2 Front and 2 Rear Slots can mount sling swivel
Full Metal Flashider and Removal Nylon Fiber Foldable Foregrip.
Ambidextrous Charging Handle