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This problem is not difficult to solve with a PCP. Your situation is pretty much the same as mine. I am shooting squirrels from 7 or 8 yards out to thirty or more. I have zeroed my Stormrider using 729 FPS and JSB Jumbo Express (14.35 gr) at 12 yards. Using a 1 inch diameter kill zone this gives...

I get 554 fps with the 14 inch barrel shooting CPHPs. I have a valve modification also.

Less than three weeks ago I ordered an Altaros regulator from the Czech Republic. It arrived today! From the silent Youtube video it appears to be pretty easy to install. Does anyone have any hints or suggestions?

The Endosnake is described in some detail here: https://www.pyramydair.com/blog/2020/07/endosnake-borescope/

Thanks for the suggestion. Your are right about it being light and easy to shoulder. That is an important feature when I want to grab it for a squirrel on the deck. A Marauder it is not! I am still thinking the bipod.

Regulator set at 1400 psi

The subject says it all! Anyone have experience putting a bipod on a Stormrider?

Those look nice, but I don’t they are worth 2.5 times the price of the stock Marauder/Avenger magazines for me.

Everyone is entertained in their own way. Personally I enjoy collecting and playing with the numbers. On a winter day I quite enjoy fooling with the numbers with excel on my iPad in front of the fire place with a glass of scotch at hand. 

No, the Marauder magazine does not fit. It is completely different. I have both a Marauder and a Stormrider. I think you (we) are stuck with buying $20 magazines for the time being. I also have an Avenger. Avenger and Marauder magazines are completely interchangeable.

That’s what I am going to try next. Do yo know your “extreme spread”? Your 3000 psi was going to be my SCUBA tank fill. But I just a Nomad II.

I will try 1400 psi when the weather is better. 300 bar is the factory specified fill pressure. I having seen a number of tunes which start with that pressure.

I can’t find “official” documentation that says that low end of the regulator is 1100 psi. But it is in the green zone on the dial and Hardair magazine did two of their tunes at 1100 psi.

Here is all the data.

I am tuning my new 22 Avenger. I am trying to tune for shot count. I am pressurizing the gun to 300 bar. I have the regulator set at 1100/1200. I have had the hammer tension set from zero turns to two turns. I am shooting Crosman CPHP, 14.3 pellets. I have seen an ES of 20 or so for these...

In realty Marauders are quite tunable. You didn’t mention whether you have tried tuning your Marauder yet. By adjusting the transfer port and the hammer spring tension you can tune for quite a range of velocities or shot counts. Do some research. There are lots of articles and Youtube videos on...

My Magpul bipod arrived yesterday from Amazon. I played with it a bit and it seems to do just what I want. At a fairly reasonable price. Thanks all for the input.

I live well out in the country with lots mature oaks. It doesn’t take long for other squirrels to wander naively into my yard. The survivors get smart pretty quickly. Truly “evolution in action”!

Back in April, looking forward to a stay at home summer of COVID 19, I decided to reacquaint myself with the air guns that had sat undisturbed in my gun safe for the past 8 or 9 years. I also decided to begin a serious campaign against the squirrels on my deck, in my bird feeders, and in the...

The answer is 988 fps. ChairGun includes this calculation as one of its tools.