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Do you think the 7.5g hammer will be better ?

Yes I also changed the spring. But if I didn’t change these I wouldn’t be able to achieve speeds over 935fps for the slugs ?

On a previous post I noted I upgraded my hammer to 8.5g humma air hammer. My reg was at 135 and and was achieving 950fps with zans 37gr. This worked fine for speed but accuracy was just ok.so I looked for a better tune. After some correspondence from zan they said I should be shooting them at...

Have you shot these?

HI, can i shoot FX hybrid slugs with the DRS 500mm .22 with Superior STX barrel liner?

if I turn up my reg to 150, would I not be using more air than my reg at 125?? On another note perhaps don't need the rubber ball. I have just read on the Huma Air website the below on the valve spring. Looks like I don't need the rubber ball. "When using this valve return spring in the M3 or...

I am currently tuning my M4 Impact to shoot 37gr Zans. I recently upgraded my hammer to the Huma Air 8.5-gram hammer and changed the pellet probe and hammer spring. In the first instance, I achieved great results with slugs going 935- 955fps with my reg set between 120-125. Then I realized I...

the extra high valve states 100-200 bar. If the bottle is 300bar surely this isn’t enough ??

Is there a manual or information online to tell me what I should torque my screws on my fx impact m4.

toying with the idea of buying the Nexus gen ll along with the Element range finder. wondering if people thing the Nexus Gen ll is worth it

Thanks for response, for the sake of £100 stg probably worth changing to keep the warranty valid. Did you get many more shots at 300bar compared to 250bar

Where is this installed ? My bottles is capable of 300bar but on the side of the gun it says maximum fill 250bar

5 weeks is waiting on the variation on my fire arms licence. Normally 3-4 weeks but with Christmas period round the corner it will be longer. The liner is in the shop I have already bought it just not allowed it until the barrel is added to my licence

I should have taken a picture of mine before I left the shop. In Ireland, I have to add this to the FAC before I can leave the shop. given the time of year I suspect it could be 5 weeks before I get it back.

Hi , I was at the gun shop today and they had a slug liner A. They checked the code and said it was a 1:16 twist. (It was stamped on it too) They also told me the stx heavy liner won’t have a 1:16 twist on 600mm barrel. Now I’m confused

The FX Superior STX Liner Heavy is the successor to the FX STX Slug Liner A. but what is the difference?

Currently I’m shooting pellets which are accurate to 50yards. But I want to shoot twice that distance at a minimum. I have bought 26gr slugs from zan which I haven’t tried yet. But reading posts on the barrels I think these slugs might be a bit light.

What reg pressure are you shooting these at. Have you any other modifications. I’m going to the gun shop on Saturday to buy a barrel and thinking of upgrading to an 8g hammer. How many shots do you get out of the tank with the heavier slugs ?

I have an FX M4 sniper 700mm barrel. It has the standard stock barrel 1:24 twist. I have been reading that I need to change the barrel to a heavy barrel to shoot slugs. There seems to be 2 types on the market 1:18 twist and 1:16 twist. Obviously 1:16 will have more of a twist. Can someone...

Hi David, I'm just wondering how you're getting on tuning now. Have you upgraded the liner? Do you think you will be upgrading the hammer, too? I have been looking at the Tungsten hammer, which is around £80 online. i was out with the 26.5gr slugs last weekend but didn't have much success at 970fps.