For those in the UK wanting to have their own PTW but do not have a budget to get one can contact ROE Airsoft as they now have in stock the G&D DTWs, the most affordable PTW clones so far and you can use original PTW Cylinders to work with it... "A clone of the outstanding Systema Profesional Training Weapong (PTW) This is probably the future of airsoft.

• Full metal construction with ABS Stock, Handguard and Pistolgrips
• Internals are proprietary to the weapon but most parts are compatible with Celcius and Systema PTW Parts.
• Sopmod Style Crane stock for Battery storage (Will not fit the Systema PTW Batteries)
• Realistic Disasembly
• Adjustable Hop
• 120rnd proprietary Magazine (PTW Magazines only)
• Stops fireing once out of amo (Reset with bolt release catch)
• Safe, Semi and Burst 
• High 370 FPS     
• **Compatable with Systema PTW Cyinders**