I have a great deal on them.
4.7litre 300bar, includes cylinder-monkey, brand anti roll base.
I have loose of these anti roll bases too. PRICE R250
Another new product i have is the ht-x3000 chrony. The biggest version is instore, wifi,joules, m/s, fps, pellet weight, memory setup, 120 shots onboard memory. Charges with micro USB. PRICE R1000
HT X3000 Chronograph [review] - YouTube