I am new to the site and I have a few questions about air rifles and recommendations.
At Huntex I bought a Kral arms NP-500 5.5mm (.22) its has a max fill and operating pressure of 250 bar.
I got a free tin of pellets with it and noticed the pellets have better expansion at about 150 - 170 bar when shooting bottles filled with water at about 40m.
Later on I read about regulated and unregulated airguns but could not find the answers I as looking for so here i am
What is the recommended pressures to get the best results?
Should I consider installing a regulator or is there no real difference?
Would there be a difference when using slugs instead of pellets and what would I need to know?