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Air Javelin HPA

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Bjmpowersports:
Anyone Mod their Air Javelin to run on HPA? If so
Iíd like to see your setup. I saw one post about someone converting it and shortening it down also, and 2 guys on YouTube. The couple things I saw said 1100psi is where they were running them and I was wondering if anyone has tried a little more or less or if that was just what seemed best. I got an Air Javelin for Christmas from my wife and was a bit disappointed in performance but found out it was mainly because of the cold temps and the CO2. After keeping the canisters warm in the house and trying it out I was much happier and was able to accurately shoot 30 yards without issue.

So after much research etc HPA seemed to be the way to go, so thatís what Iíve ventured to do. I just need my pump to show up tomorrow so I can see where my regulator is and adjust my pressure and try to shoot it. Iíve ordered some more stuff also to mount the bottle the opposite direction with a short line, and some different clamp options to try, but this seemed like the easiest route right now and if I keep it this way Iíll trim the grip for it to slide over. Only issue this way is I have to take it apart piece by piece if I want to swap back to CO2 which I canít say at this point Iíd ever care to do, and I originally planned on a line and quick connect etc but less pieces is sometimes better but this is the first time Iíve ever messed with an Airbow much less HPA.

Acapulco:
I don't get it... The ease of using  co2 guns have always appealed to me. I own the javelin and many other co2 guns.

Why didn't you buy an air saber ?

darkcharisma:
Acapulco, the Co2 cartridges are sensitive to temperature. too cold and you will not get best results. So that's why he's going with HPA, I get that part. My Co2 Javelin gun arrived and shot below the advertised speed. So i didn't like that at all.

I did a conversion long time ago. I would stay at 850psi reg. unless you can get a stronger spring and heavier hammer. And the max you wanna go is 1100 psi, give or take due to these guns are not built for high pressure in the first place. SAFETY concerns above 1100psi!!!!!!!! I went to 1700psi for testing purposes only. was a dumb thing to do now that i look back. please dont go any higher than 1100psi.


https://www.gatewaytoairguns.org/GTA/index.php?topic=170114.20

Bjmpowersports:

--- Quote from: Acapulco on January 05, 2022, 12:06:59 AM ---I don't get it... The ease of using  co2 guns have always appealed to me. I own the javelin and many other co2 guns.

Why didn't you buy an air saber ?

--- End quote ---

Well it was a gift from my wife, I knew nothing about any such gun as an Airbow before seeing this, and honestly I would have kept it co2 but I was highly disappointed with the results which turned out to be a cold weather issue and the winter time is when I would use this for the most part. Out of the box I wasnít even able to adjust the iron sights high enough at 10 yards to zero out, and forget about it at 20 yards I had to aim about 3í high. After using warm co2 I had much better results such as about 8Ē drop at 30yards.

This morning I took a few shots on HPA at 1025psi which is where I was able to get my regulator with what washers I had laying around. WOW was I impressed. My scope was zeroíd at 20yards, I shot 6Ē high, I went out to 30yards and Iím about spot on, so needless to say Iím thoroughly impressed. At this point in time Iím just going to dial my scope in as good as I can, and then enjoy what I have because Iíd say Iím 100% satisfied at this point in time. Now to hunt some small game...

Bjmpowersports:

--- Quote from: darkcharisma on January 05, 2022, 01:44:06 AM ---Acapulco, the Co2 cartridges are sensitive to temperature. too cold and you will not get best results. So that's why he's going with HPA, I get that part. My Co2 Javelin gun arrived and shot below the advertised speed. So i didn't like that at all.

I did a conversion long time ago. I would stay at 850psi reg. unless you can get a stronger spring and heavier hammer. And the max you wanna go is 1100 psi, give or take due to these guns are not built for high pressure in the first place. SAFETY concerns above 1100psi!!!!!!!! I went to 1700psi for testing purposes only. was a dumb thing to do now that i look back. please dont go any higher than 1100psi.


https://www.gatewaytoairguns.org/GTA/index.php?topic=170114.20

--- End quote ---

Thanks for the link to the thread. I shot mine at 1025psi this morning and was blown away at how it shoots. No chronograph but my scope was dialed in at 20 yards but I shot over the target at 20, so I tried 30 and was spot on. Now that it has more power I may try the 100grain tips again, Iíd like to be able to use some of my broadheads from my bow, but I did buy the 50grain blood bugs also to try. I was going to make my own arrows also but the Umarex ones are only $14.25 for 6 on Amazon, so I ordered a bunch.

Hereís a pic I took with the bottle clamp I made and bolted to the M-Lok rail, and I decided to just cut a slot in the fore grip for the fittings and be done with it. Very happy overall, and maybe only a hair heavier then with an 88/90gram CO2 which I donít mind really.

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