Back in my USAF days the 25 size were the only ones that fit my budget

Had all of these at one time or another: Sun Fli 4-20, Supra Fli (had 2 from the kit & 1 arf), Mattlas 20, Curare 20, Aurora 25, Joker 25 and Dash 25. The Joker flew the best, but it also had an OS 32 & the small MK retracts. One of the Supra Fli's also had a 32 & retracts. The others used the OS 28F.

They were all a lot of fun, maybe one day I'll pick up another MK kit put one together just for kicks