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Hi, Is it possible to achieve a little over 1000FPS with FX Hybrids .30 and a 500mm barrel with almost stock Impact M3 with a Power Plenum? The only modification is a tungsten hammer weight. Reg pressure is about 185 bars. What are your observations and thoughts? Thanks!

Hi, Please take a look at the leading marks of these liners: It is evident there are no lands at the very end of the bore (EDIT: muzzle end, crown). I checked a couple of liners in multiple calibers and they are all like that. I think it may be dictated by the production process of making the...

Hi, I need to make a bigger shooting chamber. In order to do it I need to move the regulator venting hole more far back. What would you suggest to fill the original venting hole with? It is below 1mm in diameter. Welding or soldering maybe? Thanks.

Hi. We know that a standard FX Impact regulator piston is made of delrin. It has a pretty poor coefficient of thermal expansion comparing to brass. Brass is a much better choice. It is more rigid and tough which is pretty important when we think about high reg pressures. FX offers a brass...

Hi guys, Some time ago one guy contacted me if I could test his 3D printed magazines. I was skeptical about them bit I decided to do it. Here is the design: And some pictures of the ready product: They work flawlessly. Just have a look at the recorded clip - first magazine is with JSB KO...

Hi, Huma tuning hammer spring is a little longer than the stock one. In addition to that, if someone uses a beefier hammer weight with longer collar then there is no more free floating hammer. Have you noticed that guys? Thanks!

Hi, The original valve seat hole is about 6.35mm. I think about enlarging it 7mm. It requires me to use a bigger valve poppet as well. Do you have any data if it can help with FPS gain in .30 with a 500mm barrel? When I go to big I will have the problems with valve opening - more hammer...

Hi, We know that FX Impact has a kind of a balanced valve and I think we can reduce the effort needed to open that valve a little bit. Just have a look: The pressure acts against the surface marked in red. Why not changing its profile so that only a part of the pressure acts along the rod...

Hi guys, I have EDgun Matador R5M .22 with a synthetic stock on sale. The stock is covered with hydrographics - carbon matte. Huma reg with a bigger plenum installed together with a bipod rail. Reg is set to 105 bars and the gun is optimized to shoot JSB Heavies 1.175g. There are slight...

I sold an item on eBay. The money was on hold so I couldn't touch it until a buyer receives the package. Buyer asked me to cancel the order which I tried to do but I couldn't as I didn't have enough money to refund him. I sent a note to eBay: hey, you have the money (on hold for me) so use them...

Hi, I discovered that the tiny nozzles of all my Huma regs are not straight. They are slightly off center - crooked. I had to use a magnifying glass to find it out. The white sealing disks offered by Huma are very soft - they are not made from delrin. Soft sealing material is more forgiving and...

Howdy! Please just take a look. This is the same liner rotated by about 180*: How can they shoot pretty straight? Pretty much every liner which I examined has that problem.

Here we go with the new valve housing: No cutouts which should allow for better laminar flow of air. I wonder how the Power Block could be modified. Any ideas?

Hi guys, Many of us buy raw barrel blanks from e.g. LW. We naturally want to have them threaded for a silencer, a muzzle break or simply an air stripper. The most fundamental fact is to center the blank in a lathe in relation to the bore rather than the outer surface. There are many techniques...

Hi guys, I saw some tutorials on how to improve the trigger in Impact Mk2. Based on that I did the following with some adjustments: Red color: I. Polished the pacman wheel. It was mentioned in some tutorials. II. Polished the sear. I am not sure it was mentioned in any tutorial. This was...

Hi, A friend of mine came across the following picture posted on FB: The fragments were retrieved from a rabbit shot at 30 yards with a hybrid slug .30. The ones in the lower right corner are Hybrids .30 retrieved from a target at 130 yards. Is the fragmentation good or bad? What is your...

Hi, Any opinions about that ball head? Is it as good as Leofoto? Thanks!

Hi, I identified another design issue in FX Impact Mk2. Well, it is not catastrophic but it's definitely something every Impact user should be aware of. Please look at this picture: It shows the nevralgic area. Green line indicates the placement of the oring. If you don't push your plug as...

Hi, If you plan to use 170 bar on reg then a peek valve poppet is a must. Here is how the original one protrudes after about 200 shots: There is a note in the user manual that 170 bar is the highest reg pressure allowed. But the truth is that delrin valve poppet cannot withstand such...

Cheers, I can confirm that BC of them is pretty low - G1 0.07. It is aligned with what is printed on the sleeve. Why do you think they have such a low BC?