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Old 09-13-2020, 07:45 AM   #1
sumatra   sumatra is offline
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Airsoftpro Double Lever Hop Up Chamber Gen 2

Hello,
I'm looking to upgrade my hop up chamber on my stock JG Bar 10 Pro.
I'm from Europe and airsoftpro is the nearest and cheapest store to my country and distributors here often offer 10% off on all products.
My question: Is this chamber good and what AEG barrel and bucking should I buy? (It's said in the description it takes only AEG ones).
LINK: https://airsoftpro.cz/en/gun-parts-u...mb02-03-detail

The other cheap offer in the store is the Enhanced Hop Up Chamber from Maple Leaf, which can't use bridged barrels.
LNIK: https://airsoftpro.cz/en/gun-parts-u...-vsr-11-detail

I'm on a tight budget and would like to get max performance for as cheap as it can be done, that being said the prices of the two chambers are similar, although I can remove the bridge from the stock barrel and use it on the ML one I would like to upgrade the barrel too.
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Old 09-13-2020, 08:12 AM   #2
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I suggest that you purchase a Tridos Designs TDC for like $40 or so, and either buy a Maple Leaf Crazy Jet or file off your barrel window.
The Crazy Jet will be significantly better, but if you are really on a budget TDC and bucking matter more.
Next, I suggest Maple Leaf Autobot or MR-hop bucking in the 60°-70° variant and you should be all set.
That TDC will be way better than any arm or chamber, and is very much worth it.
So that puts you below $80 I think, so less in € I'm pretty sure.
Other than that, make lots of barrel spacers and fill every hollow cavity in your gun with foam.
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Old 09-13-2020, 08:16 AM   #3
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Do not buy this chamber. It is a pain in the a**e to adjust and aeg barrels and buckings seal poorly.
Either buy an action army hopup chamber or do as SiliconeSword suggested, and install a tdc and a new barrel and bucking.
You can do a diy tdc, a gunsmithy one, or I particularly like the edgi tdc.
As the barrel, I like lonex ones but a crazy jet is good as well.
I like the maple leaf autobot as it gives good airseal, but a maple leaf mr hop is good as well.
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Old 09-13-2020, 08:22 AM   #4
sumatra   sumatra is offline
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Quote:
Originally Posted by SiliconeSword View Post
I suggest that you purchase a Tridos Designs TDC for like $40 or so, and either buy a Maple Leaf Crazy Jet or file off your barrel window.
The Crazy Jet will be significantly better, but if you are really on a budget TDC and bucking matter more.
Next, I suggest Maple Leaf Autobot or MR-hop bucking in the 60°-70° variant and you should be all set.
That TDC will be way better than any arm or chamber, and is very much worth it.
So that puts you below $80 I think, so less in € I'm pretty sure.
Other than that, make lots of barrel spacers and fill every hollow cavity in your gun with foam.
Thanks for the fast reply
I've filled everything with cotton instead of foam and godt about 10db lower.
When I bought the rifle it came with a stronger spring and is 160ms or about 525 fps, isn't that a bit too much for those buckings?
Also I've heard that the stock vsr hop is pretty good but IDK about the JG one.
What about r-hopping?
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Old 09-13-2020, 11:22 AM   #5
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Quote:
Originally Posted by BlackDogAirsoft View Post
Do not buy this chamber. It is a pain in the a**e to adjust and aeg barrels and buckings seal poorly.
Either buy an action army hopup chamber or do as SiliconeSword suggested, and install a tdc and a new barrel and bucking.
You can do a diy tdc, a gunsmithy one, or I particularly like the edgi tdc.
As the barrel, I like lonex ones but a crazy jet is good as well.
I like the maple leaf autobot as it gives good airseal, but a maple leaf mr hop is good as well.
Thank you for the information.
What about the ML one I've linked? It pretty much looks like an upgrade on the stock one, it keeps the original hop adjustment on the side.
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Old 09-13-2020, 11:25 AM   #6
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Quote:
Originally Posted by sumatra View Post
Thank you for the information.
What about the ML one I've linked? It pretty much looks like an upgrade on the stock one, it keeps the original hop adjustment on the side.
No.
Blind Sniper (I think it was) had terrible experiences with it.
It doesn't improve anything really and made things worse for the aforementioned Blind Sniper.
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Old 09-13-2020, 11:27 AM   #7
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Quote:
Originally Posted by sumatra View Post
Thanks for the fast reply
I've filled everything with cotton instead of foam and godt about 10db lower.
When I bought the rifle it came with a stronger spring and is 160ms or about 525 fps, isn't that a bit too much for those buckings?
Also I've heard that the stock vsr hop is pretty good but IDK about the JG one.
What about r-hopping?
A) There are various degrees of hardness for maple leaf buckings. For that FPS you want a 75 degree one in my opinion.
B) Stock vsr10 hopup bucking is ok but nothing that special. JG one is worse.
C) RHOP is basically pointless when using a maple leaf bucking.
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Old 09-13-2020, 11:43 AM   #8
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Quote:
Originally Posted by BlackDogAirsoft View Post
A) There are various degrees of hardness for maple leaf buckings. For that FPS you want a 75 degree one in my opinion.
B) Stock vsr10 hopup bucking is ok but nothing that special. JG one is worse.
C) RHOP is basically pointless when using a maple leaf bucking.
Thank you,
What about other good barrels that are a bit cheaper?

P.S. Just saw the bucking listed in airsoftpro and this is in the description:
50° for guns with the output velocity bellow 110 m/s (360 FPS)
60° for guns with the output velocity 90 - 120m/s (295 - 400 FPS)
70° for guns with the output velocity 110 - 140 m/s (360 - 460 FPS)
75° for guns with the output velocity 130 - 150 m/s (430 - 500 FPS)
80° for guns with the output velocity above 150 m/s (500 FPS)
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Old 09-13-2020, 12:27 PM   #9
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Quote:
Originally Posted by sumatra View Post
Quote:
Originally Posted by SiliconeSword View Post
I suggest that you purchase a Tridos Designs TDC for like $40 or so, and either buy a Maple Leaf Crazy Jet or file off your barrel window.
The Crazy Jet will be significantly better, but if you are really on a budget TDC and bucking matter more.
Next, I suggest Maple Leaf Autobot or MR-hop bucking in the 60°-70° variant and you should be all set.
That TDC will be way better than any arm or chamber, and is very much worth it.
So that puts you below $80 I think, so less in € I'm pretty sure.
Other than that, make lots of barrel spacers and fill every hollow cavity in your gun with foam.
Thanks for the fast reply
I've filled everything with cotton instead of foam and godt about 10db lower.
When I bought the rifle it came with a stronger spring and is 160ms or about 525 fps, isn't that a bit too much for those buckings?
Also I've heard that the stock vsr hop is pretty good but IDK about the JG one.
What about r-hopping?
I'd suggest 60-70° for everyone, they are perfectly fine.
R-hopping is very difficult, and very similar to Maple Leaf buckings.
I think if you follow my list before you will probably be at peak performance, until you break something lol
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https://www.instagram.com/silicone_sword/
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Old 09-13-2020, 12:37 PM   #10
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The forum seniors on here will tell you that a fancy barrel is nothing special. Zero roaster even managed to turn an aluminum combat machine barrel into something nice through countless series of polishing.
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Old 09-13-2020, 12:38 PM   #11
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Quote:
Originally Posted by SiliconeSword View Post
I'd suggest 60-70° for everyone, they are perfectly fine.
R-hopping is very difficult, and very similar to Maple Leaf buckings.
I think if you follow my list before you will probably be at peak performance, until you break something lol
Thank you very much,
I think I'll postpone the barrel for now.
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Old 09-13-2020, 12:50 PM   #12
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Quote:
Originally Posted by sumatra View Post
Quote:
Originally Posted by BlackDogAirsoft View Post
A) There are various degrees of hardness for maple leaf buckings. For that FPS you want a 75 degree one in my opinion.
B) Stock vsr10 hopup bucking is ok but nothing that special. JG one is worse.
C) RHOP is basically pointless when using a maple leaf bucking.
Thank you,
What about other good barrels that are a bit cheaper?

P.S. Just saw the bucking listed in airsoftpro and this is in the description:
50° for guns with the output velocity bellow 110 m/s (360 FPS)
60° for guns with the output velocity 90 - 120m/s (295 - 400 FPS)
70° for guns with the output velocity 110 - 140 m/s (360 - 460 FPS)
75° for guns with the output velocity 130 - 150 m/s (430 - 500 FPS)
80° for guns with the output velocity above 150 m/s (500 FPS)
If you want to spend less than $40 on a barrel, you should just stick with the original one as you will be wasting your money.
One thing that you can do is soak some 7mm rope in polishing compound, for silverware and such, and tie it to a doorknob or something and slide the barrel back and forth for a bit.
Should make the barrel better, but not as good as a Crazy Jet.

As for bucking hardness, those are all completely wrong, 60° is good up to 600FPS and 70° is good for 750FPS.
If you plan on 450-550, then get either 60 or 70 as they work better at that power.

Another thing you could do is go on the Novritsch website and buy the SSG10 hop chamber, that yellow bucking (Maple Leaf Autobot 60°) and his barrel, all for less than $75 or so.
That is probably your best option, as his barrel is decent, and his chamber is quite good.
Not as good as an Action Army, but it's quite good, and you can also install a Tridos Designs TDC in the future, and it will be almost exactly as good as an Action Army chamber.

As for barrel quality, Novritsch is probably very close to Maple Leaf, but a bit cheaper, and I would say nothing else is really better take Maple Leaf unless you put a ton of work or money into another barrel.
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Old 09-13-2020, 01:14 PM   #13
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The figures maple leaf uses are off in my opinion.
I think it should go a bit like this:
50 degrees- 350 and below.
60 degrees- 350 to 450.
70 degrees- 450 to 550.
75 degrees- 550 to 600.
70 degrees- 600+
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Old 09-13-2020, 01:35 PM   #14
sumatra   sumatra is offline
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Quote:
Originally Posted by BlackDogAirsoft View Post
The figures maple leaf uses are off in my opinion.
I think it should go a bit like this:
50 degrees- 350 and below.
60 degrees- 350 to 450.
70 degrees- 450 to 550.
75 degrees- 550 to 600.
70 degrees- 600+
Thank you.
I will use this as further reference
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Old 09-13-2020, 01:40 PM   #15
sumatra   sumatra is offline
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Quote:
Originally Posted by SiliconeSword View Post
If you want to spend less than $40 on a barrel, you should just stick with the original one as you will be wasting your money.
One thing that you can do is soak some 7mm rope in polishing compound, for silverware and such, and tie it to a doorknob or something and slide the barrel back and forth for a bit.
Should make the barrel better, but not as good as a Crazy Jet.

As for bucking hardness, those are all completely wrong, 60° is good up to 600FPS and 70° is good for 750FPS.
If you plan on 450-550, then get either 60 or 70 as they work better at that power.

Another thing you could do is go on the Novritsch website and buy the SSG10 hop chamber, that yellow bucking (Maple Leaf Autobot 60°) and his barrel, all for less than $75 or so.
That is probably your best option, as his barrel is decent, and his chamber is quite good.
Not as good as an Action Army, but it's quite good, and you can also install a Tridos Designs TDC in the future, and it will be almost exactly as good as an Action Army chamber.

As for barrel quality, Novritsch is probably very close to Maple Leaf, but a bit cheaper, and I would say nothing else is really better take Maple Leaf unless you put a ton of work or money into another barrel.
Thank you,
I will go with the crazy jet, but probably next year. As for the hop up chamber I was planning on getting an action army one, but saw these listed on the website and since I've never heard of them, decided to ask here.
I will try out the polishing tip for my next game.
As far as I know Novritsch's parts are pretty good, but as I live in Europe the shipping from across the ocean is usually more expensive than the parts themselves.
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