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Where does one find polyurethane / PUR washers? Can NBRs be used instead? Is there another material which can be use in a location where PUR is called for?

Ok, I give up, what's the trick to installing C38 o-rings on C37 (regulator screw)? My original Impact has a regulator screw with a tip in the center which mates to C34 (regulator rod). I broke 6 new 2 X 1 mm NBR 90's and managed to get one installed. Tried to move the one I was able install to...

Swapped in the FX Power Plenum kit on my original/MK1 Impact. Now when the regulator, factor original, is set below 100 Bar, for example 90 Bar, tank pressure leaks down to 90 Bar overnight. Over 100 Bar, for example 110 Bar, pressure in tank holds, no issues. Thoughts, recommendations...

Have you purchase from Europe Airguns? Is so, how was the experience? https://www.europeairguns.com/en/

Looking for cost effective way to upgrade an original FX Impact to the liner system with the new superior smooth twist X liners. Would like to end up with two setups, one in .22 600mm and the other.30 700mm. Waiting my turn for a power plenum upgrade. Objective is increase shot count and...

What options are available for enlarging the plenum on an original FX Impact. My highest priority is increased shot count, second velocity. I have both the 22 and 30 cal configurations. 22 used mostly for target shooting and 30 for ground squirrels.

What fitting is recommended for connecting a YH to Impact? Until my tank blew a seal I've used a long female quick connect fitting, purchased from Best Fittings, connected to the hose tank. This fitting has male threads which does not match up with filter hose's female. Likely something to do...

Decided to change the oil in my YH today. Figured I'd open up the crankcase to see how the crank parts are holding up. All looks good, however unit on has 5 or 6 hours total run time. Attempting to place the crank case cover back on I ran into an issue of the gasket membrane being a little too...

Been using a ProChrono to measure muzzle velocity and notice a nuance. Slight change in pellet path relative chrono's center line axis can result in large variations, 870 vs 950 in measured fps. I'm planning on being more careful in gun and chrono alignment going forward.

Found online ballistic coefficients for JSB 22 cal 18.13 gr as low as 0.027 and up to 0.043. So decided to run an experiment. Using an FX Impact with a muzzle velocity of 870 fps shot at 45 and 93 yards. Used drop distance measured from sight zero and online trajectory calculators to arrive a...

As I understand, there are three adjustments for controlling the Impact's air flow. 1. Regulator pressure, 2. Power Adjuster, & 3. Valve Adjuster. The Power Adjuster (C15) varies how far the valve will open and Valve Adjuster (A20) varies how long the valve will stay open. Do I have this right...

How accurate is your Argos BTR 6-24x50's parallax dial values? Mine are all over the place. In the 60 to 80 yard measured range the dial matches fairly well. Otherwise forget about it. At 18 yards measured dial reads 30 and at 100 yards it reads nearly 200. Is it just my scope or is this typical?

Just ran my new YH, 240V and settable stop version today. Problem/Issue: Unit switches between stumbling/stuttering and running fine when it gets above 4000 psi. Unit barely makes it to ~4300 psi before is shuts off. Suggestions? My initial start up went as follows: 1. Checked for loose...

Just received a HPA filter. Both hoses have a leak between the hose crimp and quick connect assembly. Twisting the hose crimp relative to the QC assembly, in one case stops the leak, at least temporarily, in the other just slows it down. Didn't want to fiddle with them much since I don't know...

Sorted 52 JSB .22 Cal 18.14 grain into 0.1 grain steps. Here's the distribution: 18.4 1 18.3 9 18.2 12 18.1 16 18.0 9 17.9 5 Then resorted 18.0, 18.1 & 18.2 into 0.05 grain steps. Here's the distribution: 18.25 4 18.20 4 18.15 4 18.10 16 18.05 2 18.00 6 17.95 1 Is this what you're...

Google this: MTC Optics w/Rapier LRF & Bluetooth App

What muzzle velocities are you getting with 18.13gr and 14.3g JSBs? Last check of my gun was 870 for 18.13 and if I remember correctly 920 for 14.3. Would like to get 920 with 18.13gr, but maybe unrealistic with just a hammer spring adjustment.

What size o-ring is used in the omega 75's interface between the tank and valve? My understanding is one should use a 90 durometer. The last one I used must have been a 70 and over time it oozed its way out. Thanks for the help.

Good: Gun is supper accurate, sub 3/4" 5 shot groups at 57 yards. Not So Good: Trigger issues, two so far. First trigger issue is a flimsy clevis, it's been more than three weeks without resolution form retailer. Currently only limping along with temporarily fix. Pliers were used to squeeze...