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I forgot which video said the lower reg pressure need more air to push the projectile. Which it need more air and louder. But I am not sure it is correct or not.

Hello Guys, I added the plenum and modified valve housing & VS and TP and hammer weight. My target is speed is 930fps. NSA .22 slug 27gr. Right now I can get 960fps easily just only use 130bar. I was wondering what is the best way to tune the gun. Should I increase the reg pressure to...

After thinking, I agree that it is not the vacuum. I will try to find out what's the real reason. Will update the result.

Hello, I guess I found out what's the reason cause this problem. It's the plenum. When the plenum was installed. And you depressurize the the bottle. The plenum will create a vacuum space. That suck the valve rod out of normal position. When I removed the plenum and only installed the...

Hello Everyone, After i made a lot of try & error. I found out it was not oring's problem. Mr. Edison is correct. The valve plug did not seat on the valve seat. So it caused leak. So I turned the valve knob to full close. That made the valve rod to push the valve seat. Then no more leak...

Yes, I replace the stock 5.5mm VS to 6.0 VS. And I found the leak. So I switch back to the stock VS. Then both were leak now.

Hi Guys, I found my barrel inlet is leaking the air. And check the FX trouble shooting manual. It said that was main valve(7064)/valve seat(19202) problem. I replace all the valve housing(B29 & B29.1) & valve seat oring and rod oring(2.2x1.0). But it still is leaking. I even changed the...

airgun hobbyist, thank you. you are so great!

Hello Everyone, Does anybody know the C3 Delrin bumper diamension? I want to buy some for spare. Thanks.

tor47. I believe you are correct. Too much pressure one the valve hammer will reduce the life of C3 bumper. And the valve control knob also. It's not a good idea.

Thanks to edosan & Airgun-hobbyist! Generally speaking, we will set the reg & hammer spring higher than the target velocity around 20~30fps I wonder that anyone turn the reg & hammer spring really higher than the target speed (50 fps or more). Then reduce the speed just by valve control knob...

Hello Everyone, I know the correct way to tuning the impact. I have a question that if the target velocity is 910fps. And set the regulator & hammer spring to reach 940fps(this time the valve control knob fully open). Then turn back the valve control knob to decrease the velocity to...

REPLACE C3 BUMPER. The issue will not anymore

BlackICE you are right. They force you to buy something you don't need it.

Looks like I need to buy another barrel kit for pellet first. And buy the slug liner. Oh my god.

Thanks for Glem.Chally & zGerman reply. It's helpful I don't know why the FX will not sell the barrel kit for slug uses? People who want to switch to slug liner by different caliber have to buy the barrel kit for pellet first then go to buy the slug liner? It makes no sense. By the way, I...

Hello Everyone, I have a FX IMPACT X .25 700mm barrel. Recently I want to switch to 700mm .22 slug liner. Can I just buy the .22 slug liner and .22 probe to finish it? Or I need to buy following parts for .22 used. 1. Jam 3. SST ADAPTER 4.BRASS TRANSPER BARREL INLET 5.SLEEVE...

What's the QR ?

WORST SCOPE TRUST ME IF YOU WANT I CAN SELL YOU MINE

That's make sense. Thank you!