Tuning Impact MKll PP finally went off its nut

You bring up a good point and that is something I’m trying to find out about this gun. Like you and a lot of others, when I had my first Impact probably 5 years ago, I couldn’t keep my hands off it. I was always chasing a better setting or different pellet. Since dumping that gun, I’ve owned a couple guns that were set it and forget it. They have maintained that setting for long periods of time. Because most Impact owners can’t leave their settings alone, does this behavior not expose an ugly truth about the gun. The constant flow of new gadgets for the gun always has guys playing with it. Is it a gun that can be set and left alone for years? I plan to find out. For me, all the adjustability is not for playing, it’s for finding a perfect balance for the one projectile I want to shoot. I have no desire to shoot a bunch of stuff at different speeds. I want it to be my grab and go 80 and beyond airgun.

When I was shooting NSA slugs out of another gun, they originally looked a nice bright silver. Then he changed the process and they were kinda white and looked horrible. Then they changed again. Throughout all the changes it never affected me. I always washed my slugs in acetone then lubed them myself. Even when they stated they were now prelubed. When it comes to slugs and airguns, I try to control as much as possible in the name of consistency. Ammo suppliers across all shooting sports can throw a wrench in your gearbox. With airguns, sometimes if they change the lead recipe just a little, you’re done. Time to look for a new slug.

I’m still not out of the woods yet with my gun. Was shooting last night and from 250b down to 180b the gun shoots differently than it does from 180b down to when I fill at 150b. I need to do some more investigating when I get the time. I may have to degas the whole gun and check all the screws. Very strange.