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Airforce  Talon 177 best shot string

You are going to have to get a chronograph to really do any useful tuning. Everyones pcps are different and so are environmental conditions, and you might see different numbers than somebody posts.

With a non-regulated pcp you will see a speed curve depending on the air pressure and the valve/hammer design. To give you a rough idea, at full bottle pressure you will see lower fps and then as you shoot it will sharply increase speeds. After the bottle pressure and valve start to balance out you will see a more stable fps string until the air pressure gets too low causing speeds to sharply drop off. On the smallbore AirForce rifles you usually want to start with a fill pressure of ~2400-2800psi and shoot until the point fps drop off quickly. These parameters are also dependent on your power wheel setting as that changes the total hammer strike on the valve. For a Talon SS in 177 with a 20fpe target I would start fill pressure in the 2600-2700psi range and keep the power wheel around 75%.

Other than that you cant really know what your rifle is doing without a chronograph.

Daystate / Coltri MCH-3 failure question

I’ve had this unit for a couple of trouble free years and just recently I noticed some compressor oil coming through the air drain.
The sound was also very slightly off within the last operating hour.

If anything was different I was filling a large tank from empty and doing it in stages. The run time under load was more like 20min instead of my usual 10min top up. Cylinder did not get too hot to touch.

So I tore it down and so far the only abnormal finding is shreds of plastic (or very hardened elastomer) in the primary cylinder head. (Shown on the towel above the head)

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Any idea what this could be? Debating whether to pull pistons and dig into the block.

Thanks, David

AEA  AEA challenger standart 6.35 low power

Hello firends

Yesterday I received my AEA challenger standart 6.35
But there are problems with the power.
Everything is set to MAX but a H&N baracuda bullet with a weight of 30.86 gr flies with a velocity of only 231m/s which is 53 joules

Why is that?
That's only half the power.

Maybe someone has had a similar problem and solved it ?

Coyotes with the .357

The AEA's is most series have had one issue or another. The bolt or side cocking ones usually being the most reliable ones. I've seen the 45's blos the plastic lid from the magazine. Never heard any issues with the challenger, challenger elite, or the Zeus variant.
Ive actually owned a challenger bigbore .357 bullpup and i loved the thing. My wife developed a leaking valve and i had to take time off work and sold it unfortunately to pay the bills. That and a bulldog. Both worked flawlessly

Notos big air precision mags

My Brother’s Notos setup for running a 15rd Big Air mag. Sorry I don’t have a photo with the mag inserted. Those are med height rings with 1/2” risers. The mag has a little clearance left, at most a 1/4”
View attachment 594363
Ahh I see. So in order for me to run the 15round mag, im gonna have to run the high ring mounts. And probably med ring for the 12shot mag. Thanks for the photo and information *OneAcreFarmer 👍
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JSB vs AEA

You couldn't. LV class is limited to 12 fpe and HV to 20 fpe. They are shooting .177 cal.
No, I know that Paul. 😉

I was teasing you about out shooting some Rimfire guys on YouTube. That said, most RF’s will out score a .22 air rifle shooting an 18g pellet. No comparison in my mind between a .40g bullet vs. pellet.

The exceptions to the aNovember are the high end .22 AG that are shooting .38 and .40g slugs. ( I.e., Thomas, Scout, Panthera ). We just need to look at past N50 matches to compare.

My real point was looking at the 2023 Worlds Championships, check out the RF scores on the Individual tab.

Incredible.

HP slug or non hp slug

Thanks for commenting. I am interested!
Would you have any pictures that show this? (I'd be interested in the impact velocity as well — or MV and range.)

Thanks! 😊

Matthias

These were mostly done with take aim 30gr gr XLHP.
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Javelins also have massive expansion
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Is this what we have to look forward to now CPHP?

I've never had good luck with Amazon shipping pellets...they always arrive loose in a box or bag with lots of damage to the pellets when opened. I was going to order some pellets from Pyramid Air, and at checkout, said delivery via amazon so I cancelled that order lol.
So if you see an option for "overnight 4-8am" or 7-11am or 10am-3pm. Buy then. That will be a delivery driver in a private vehicle and theyre not god awful and careless. The JTS blister packs, the baracuda hunter extremes. And any JSB from 7eventy9ine will arrive perfect. I will not order pellets unless I get those options Or the JTS OR HN blister packed pellets.

Ft. Osage MO Air Rifle Match Results - September 2025

The Midwest Airgunners matches are usually held on the first Saturday of each month at the Fort Osage Muzzle Loaders Range, 1637 NW 550th Rd, Kingsville, MO. http://mocobps.com/FOML.htm View our Web Site for match information - http://sites.google.com/view/midwestairgunners

Shelleen posting for Brink

We had a good turnout for the September match and a couple of new shooter. The weather was decent and the wind wasn't too bad, thought it did get a little squirrely for the 50 yard match.

FOML 20250906 Match Results.jpg

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