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Yes, I'll get one to the PAD service department tomorrow. It's hard to tell from the picture but keep in mind our design uses a tapered seat. As long as the seating surfaces (tapered sides) are not damaged it will work fine.

On the piston - 90 duro Poly with Ultimox. Any other combinations will result in excessive friction and poor regulator reset. Our belevelles are electropolished be the manufacturer, they do not require and extra lube or polishing.

Send me a pm with your dealer info, when purchased and the serial # and I will follow up. We do not release guns to dealers that do not meet our testing standards. Here is a link to our service page. Service – American Air Arms

You should be able to push 18gns past 30fpe with a factory 1950 psi reg setting. Increasing the plenum will have no positive effect at Mini 22 power levels. Consider the platform was designed for 80fpe in 30 cal with the standard plenum.

Yeah choose one that does not use silicon oil as a lubricant.

I use exclusively the JSB 18gn when shooting the Mini. Some initial testing with the H&N 21gn. Barracuda proved successful. I think the 100+ yard egg video with Dana was Barracudas.

Plenum Extension Instructions https://americanairarms.com/technical/manuals/

I suggest a solid nose with a moderate meplat and a gas check type base. I don't know what dies you have access to but if you have those options it think you will have success. Only in 30 cal have I seen the 2 step bullets perform well.

Another update. I stated that the new system was not producing enough energy for higher power 30 caliber setups, that is above 80fpe. This was a late surprise which I did not see in testing and according to the math our new system should have provided about 5% more than the original. Problem...

Quick Update. We did all the testing with one hammer weight and two spring options. During tune development it became apparent when the heavy spring was used for 30 caliber the potential max fpe was just under the original system. The new system works extremely well up to 900 fps with a 44...

What is the Ram made of? I assume steel but is it producing wool?

SF = Stability Factor. You have some serious velocity swings in the beginning of your string sheet. It looks like it calms down around # 40. All the same slug?

1:18. If you run SF you will find its within norms upto 32gn. I believe the issue is the CG/CP of the current bullet designs. They rear weight biased which tend to require a faster twist rate despite of what the calculators will say. If you can find a less pointy slug with a gas check style...

Great interview and lots of good tips for aspiring competitors.

Unfortunately, the slug that was absolutely excellent was the original 32gn from NSA when they were made on the Corbin presses. When NSA switched to their high-speed process the both the alloy and the dies changed. This leaves the 20.2 and the Howlers as the primary go to. Unfortunately...

That's good news. It's been years since I tested the 22 hybrid. Buying from RMR puts them in the same price range as NSA which makes it a lot easier to justify.

My experience with the hybrid 22/SLAP 22 is they are not great in the current EVOL 4 groove or older 6 groove barrels. I have seen and experienced excellent results with the 30 cal. hybrid/SLAP.

#5 and #6 with the KOs look promising. Others not so much. Harder alloy with the NSA. If the diameter is too large or too much surface area the break away requirement can exceed the impulse power.

you may need taller rings

40 gn is a big load for that gun. Curious how they perform at 100