Does your gun have a Lothar Walther Barrel? Then sure. I have a ton of LW barrels on AA and Daystate guns, and I've been able to slug them all.
Retailers and manufactures want to make you think slow slugs do not work or only with their special barrels or over 100 yards, but empirical testing always wins.
You do not need to buy a 3k rig to shoot slugs. Your gun does not need to shoot slugs 900 -1000fps to work well. You do not need to buy a 3k rig to shoot monkeys at 150M with 34gr. 218 Javelin slugs in South Africa. Who does that, unless you are sponsored with all expenses paid?
Lothar Walther barrel twist rates are very similar to FX superior heavy liner twist rates. In short, all you need is a twist rate similar to the below, and I bet you can shoot slugs out of that PCP, extending your range considerably: