Frank in Fairfield said:

Probably

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What could I use to polish it out safely?

nice to know

You can also Press on the C2..with a screwdriver handle..... To put Physical Pressure on the valve....
Of course, you can only do this with the valve-return spring assembly not installed...

Good Luck

Valve should be fine

steve123 said:

Good shooting. It must have been a great feeling.

A little humor - You have the word Wong wrong, and don't use the word Dong either, lol, because the proper word is "Gong" if ending with ong. That'd be a funny song using those four words, lol!

I like to use the term "steel plate" instead, because, well, it doesn't end with ong.

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Already corrected and the error accepted and registered for the records!

If it's an older rifle, I owned one for a while (edit - El Gamo 126) I know nothing about current Gamo stuff except to avoid.
Mine was actually easier to shoot accurately than my friend's FWB 603... it looked very industrial... actually pretty ugly, but the ergos were very well thought out and it was incredibly good to shoot 10M with.

The triggers were as good as the FWB, the pumping effort pretty low, and loading pretty easy. The one thing to be concered about is the valve system... vague memories here, but I remember it being pretty different and somewat delicate. I, personally, would own another and not be afraid of it, but I've come a long way since that time, especially in shop skills... Not sure where you'd get parts, if needed.

Btw, if it's the same rifle, Daisy imported them for a while so there are a number of them with Daisy markings...

Bob

Chuck-in-Ohio said:

Tim at Mac1 used to have a knurled cocking knob like that available.

I am not sure if it is a user installed part, or an optional part of his steroid treatment.

https://forums.pelicanparts.com/off-topic-discussions/739239-another-magnum-air-rifle.html

Looks like yours.

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I've seen pics of two or three scoped steroided guns with knobs like that.

aldea6 said:

Yes , speed drops when power wheel is low . You are right about the power kit ; when I bought the gun it was able to shoot 44grs at 850Ft/s from factory settings , so....

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Dang I missed it was a crown. Yeah with power kit you will need more reg than 150 bar I am guessing

I have 2. One still new and the other over 3 years old. I run it several times a day and use it to fill my 45 minute CF bottle. I run it to 60C and it seems to stabilize there. I have done nothing to it but change oil and use a good synthetic for compressors.

Gerry52 said:

Not like any "production model" I've ever seen. That is one loooong gun!

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@Gerry52 I thought it looked pretty slick myself. I figured it was sort sore of competition long-range rifle.

@sb327 Thanks for posting the link.

The barrel came out of my Prophet II compact and just has 5.5 stamped on it, Its a 500 mm length , I am pretty sure its choked just not 100% sure.
It was suppose to be the new improved barrel from RTI the reason the Prophet II had the big price increase but at the last minute they snuck the no name barrels in , At the same price point, The main reason I do not have a Mora or a Prophet III.
Oh, the peanut slug fits very tight in the barrel, Now Huben needs to make a peanut slug in 177, I have shot a lot of 177 slugs and none are accurate, Maybe there is hope with the Peanut slug in 177.
Mike

I think you are whistling Dixie then. Good luck, please come back with some accuracy and shot string with velocity results as I am very curious as to what maxing out the HS and backing the restrictor fully out will do coupled with removal of the valve poppet return spring. Should be interesting or at least entertaining.

bigHUN said:

In PB world the 3rd party developed trigger like the triggertech is where the quality start the piece price sits at about $250 in average. If you wanna go higher quality the piece price will quickly jump to $6-800.
For airgun world I don't think would be anything cheaper. What is the actual demand for the trigger upgrade? Don't tell me there would be a hundred ppl ready to pay....

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I dont think we need anything like a whole new trigger like the Triggertch or B& A type triggers.

Just 3 parts that could form and easily installed little little kit and really improve the trigger t:
1- a polished & slightly modified trigger wheel,
2- a Polished sear
3- & lighter trigger spring

.. Let' say similar to the kits that Cajun Gunworks sells for the CZ 75 & SP01 series except much cheaper since only 2 little polished parts & a spring

makes the trigger super crisp and light

My past, present and future projectiles for ELR:



Far left: 72gr @1010fps in a .257 build (aka “Pea Shooter”). Used to win 2022 RMAC big bore match.

Middle: 105gr @1050fps in a 7mm build (aka “Sender”). Used to win 2023 and 2024 RMAC.

Right: 151gr and 171gr at 1080fps to 1180fps (goal) in a .308 build (aka “Mach Sender”). Still under development.

The Sunday 30 June Field Target match at Delaware County PA Field & Stream is CANCELLED due to a rainy-day forecast.

Dang!

Hope to see everyone Sunday August 4th for the next scheduled match.

Mark - 28 June 2024

Yep, Sir Harry as I referred to him is a wealth of info and experience, hope he's doing well and still slinging lead -

I shoot only 50 yards and 3800 psi

I did change my 22 to a 25 cal. Went back to a 22 for awhile, then back to 25. Both times with the 25 cal it used the exact same tune.

20PPC said:

Received rhe Umarex Notos magazine from Firewalker today. Works well. Would recommend, 20PPC

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Gracias!

I have the original Storm Rider. Not something I’d recommend. You would be more happy with a Umerex Notos. Hand pump freindy also. Close to the same price. Love my wifes Notos. I mounted a Sig red dot on it and plan on using it for Grouse.

RScott said:

I shoot an unregulated USFT (Hunter #150) in 25 meter heavy varmint (20 FPE max) benchrest.

I can regularly shoot 247+ cards but occasionally I’ll get shots that are 2 to 3 mm high or low which prevent scoring a 250. I’ve traced the problem to variations in muzzle velocity. The POI on the y-axis on average goes up/down 0.17 mm for each FPS swing in muzzle velocity. (This is in line with predictions by Strelok and Chairgun.) Even with tethering to keep reservoir pressure constant, across 60 shots, I can often see an extreme spread of 35 FPS (with SD of 8-10) which implies a y-axis range of 6 mm which is not good for scores.

I’ve tried changing poppets and hammer springs, but I don’t get much change in FPS spread. I wonder if the issue is friction in the trigger mechanism or Hammer spring guide.

This leads me to several questions:

1) What sort of ES and SDs do USFT owners get with their guns, regulated and unregulated/tethered?​

​

2) What ideas do you have for reducing spread?​

​

3) If this involves dissembling and reassembling the trigger section, can you provide any procedure for doing this, or at least any “watchouts” for this? I have not tried to remove the pins holding the trigger assembly in the gun for fear of not being able to reassemble it.​

Hoping some of you USFT folks can provide guidance on this problem.

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[email protected]

To get more information or to sign up click here to go to the registration page:

FLFT Registration

Here is a history on the FLFT Grand Prix from Hard Air Magazine:
Hard Air

ChuckHunter said:

Sorry guys but I didn't think it was worth posting! The GK1 was not really designed for slugs and really shows with my V1.
Best groups at 30 yards were around an inch and might be ok for some but not for me! JSB heavy mk2s shoot into one hole!
Maybe if you cranked the power up and only get a few shots the results might be better but I'm looking for consistency and a full mag of shooting before a refill. Really for the power level and short barrel of this setup slugs are just novelty! And not to mention the diameter of them to fit the mag is to much pressure on the system! Most of these guys having problems are finding out the hard way.

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Here’s @Gregor shooting 24 grain .177 slugs from Zan From a GK1


Sounds Like he missed half of his shots and I don’t know the distance, but still impressive for a .177 IMO.

What an interesting thread/ read.

Going back to basics of the thread here (compressing air with a spring piston set up for slugs).....this should be possible when you consider one fact-

The projectile in a springer gains the majority of its energy/ velocity while it and the piston are both travelling in the same direction.

With this in mind you can say that stroke length vs barrel length would be a very important factor (dispelling some of the earlier statements that a longer barrel wouldn't be necessary).

Naturally this would scale up everything, including weight and length, which would somewhat help to naturally manage recoil and cocking effort/ leverage.

The downside of course is it also means you could rule out off the shelf options for a suitable rifle (barrels, mainspring, piston, seals) and likley slugs. Pellets are seated in the leade in on a springer, another critical part of their functionality/ efficiency. Slugs are not seated, so as mentioned by someone ealier would likley need to be chambered to allow for initial pressure to build (avoiding losses)

Surely the real issues/ limitations would come with the porting. As swept volume increases the port volume/ flow rates would need to increase too, otherwise the compression ratio would simply be too high. In my head you'd likley reach the point where the port diameter would need to match bore diameter (which may need some thinking about). Short ports flow better, but how short can you physically make the cylinder plug on a springer with all that force behind it

Either way, wouldn't it be great if someone built such a beast and pushed the envelope to find out just exactly where the edge is. Hard to imagine it happening any time soon though.... for the small gains associated with shooting slugs, however.....

Go for it OP! Perhaps its your legacy to be the man who provides this evidence to the airgun nation....one way or the other

Funny you say that as I recently ordered a custom bag from protektor to suit the HMx wood stock.