I shot the Steyr mainly at 15m. With the supplied ammunition, I have found that the weapon shoots best with somewhat heavy and Diabolos 4.51mm. With the Händler&Nattermann I managed to sink all 10 Diabolos into one hole. The RED Star from BSA is also doing very well. At least comparable to the cheap Muni from Fritz-Cell with a 1 cent piece. It's also a lot of fun with the autom. Sequence of shots.
Why am I parting ways with Steyr? After an operation, I can hardly see anything
in my right eye
Standard Steyr Pro X:

Ten-shot semi-automatic machine with drum magazine
Bounce-free due to compressed air drive
Ilaflon coated 650 mm barrel
High-quality walnut shaft

Right-hand clamp External fuse
Pressure vessel with integrated pressure gauge
Supplied in a 90 cm plastic case
a ten-round drum magazine
Instruction manual
Tool
Filler Weaver
Rail

Useful accessories:

2x drum magazine
Steyr Pro X Twin magazine case incl. diabole setting tool (This way, all Diabolos are set at the same depth. Absolutely necessary for precise shooting
Accushot rifle scope 4-16x44mm with parallax compensation, reticle Mil-Dot
2x flip covers on scope
1x AIRFORCE airguns Steyr bipod, bipod for STEYR air rifle
2x mounting rings additionally with click lock
nozzle screw. With this nozzle screw, the power of the Steyr Pro x increases to 16 joules. The purchase of this nozzle screw is permitted. Installation only with EWB
Steyr Adapter for silencer 1/2" UNF thread
1/2" UNF Silencer Incense for air rifle
Gehmann Turbo Compressed Air Hand Pump
Bozily Hunting Rangefinder 2500 rounds Fritz-Cell Diabolos Field Target Match 0.56g 2500 shots Fritz-Cell Diabolos Zeus 0.62g
2500 shots Red Star by BSA 0.52g 1200 shots NORICA DEVAST 0.7g