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Old 08-13-2016, 11:40 AM   #1
Young Gun
 
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Some advice needed for upgrades

Hi all

I've gone ahead and tried to upgrade my JG Bar 10 - with interesting results :(

Fitting an aluminium piston and spring guide along with a m170 spring (I have now ordered an M150 spring to fit into site guidelines).

The spring pull was extremely difficult and quite often slam fired - it eventually ended in this:




I've gone ahead and ordered a steel cylinder which I'm hoping will not break under the spring pull load from an upgraded spring?

Can anyone tell me what order the bearings in this picture go onto the spring guide?


Last edited by jjbrunton; 08-13-2016 at 11:42 AM.
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Old 08-13-2016, 11:50 AM   #2
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Old 08-13-2016, 12:45 PM   #3
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That piston looks like the 45 degree set from Airsoft Pro; is you stock trigger going to hold up to the stress of a stronger spring?
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Old 08-13-2016, 02:22 PM   #4
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It looks to me like the bolt handle assembly is holding the cylinder back during firing. So the piston is driving the cylinder forward, stretching out the metal around the pin holding the back plug on the cylinder.

The face of the cylinder head, around the nozzle, should rest against the hop chamber.
Springer likes this.
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Old 08-13-2016, 03:08 PM   #5
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Quote:
Originally Posted by Netzapper View Post
It looks to me like the bolt handle assembly is holding the cylinder back during firing. So the piston is driving the cylinder forward, stretching out the metal around the pin holding the back plug on the cylinder.

The face of the cylinder head, around the nozzle, should rest against the hop chamber.
Not sure I understand what you mean. How could the bolt handle keep the cylinder back? The cylinder stays stationary surely?
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Old 08-16-2016, 03:44 AM   #6
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Use a stronger cylinder? try AA teflon?

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- Tokyo Marui VSR 10 Pro-Sniper
Internals
- Laylax Zero Trigger & Piston Set
- Laylax 170% Spring (cut to 500FPS)
- AA Hopup Unit
- Teflon Cylinder
Externals
-Swiss Arms Scope 4x40
-Zeadio Adjustable Spring Loading Bipod
-Sodial 2-Point rifle gun sling
Mods
- Custom VSR-10 Mag with string
- Foam Stock
-Teflon Tape Mod
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Old 08-16-2016, 05:20 AM   #7
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If itīs a Airsoftpro spring itīs overpowered. Even the new shorter ones. The piston doesnīt look that good either with no delrin/plastic/teflon guiders on the front and rear.
The 45 trigger pushes the bolt up in the rear and subsequentially lower in the front. Guaranteed scratches in the cylinder if it doesnt have smooth guides.
The Airsoftpro cylinders are a tad smaller so check compatibility. I would use the same manufacturers piston and cylinder.
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Old 08-16-2016, 12:16 PM   #8
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Guys can someone tell me without opening a new topic can stock jg bar 10 cylinder whitstand action army m170 spring with 90 degree piston, trigger and steel spring guide or should I go for aa m150 spring? Legal limit for bolt action rifle in my country is 600 fps with 0.2 or 3,42J with heavy bb's so I think that m170 will put me close to that, also I have trouble finding aa m150 online (sold out in shootercb,ehobbyasia and ebay) amd I can find m170 on ebay for 18$
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Old 08-16-2016, 12:27 PM   #9
Reliku   Reliku is offline
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It will probably wear out fairly quick, but it should work for a little while
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Old 08-16-2016, 12:30 PM   #10
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Since I'm using custom trigger that should give me more fps out of spring (need to chrono that to confirm) do you think with m150 stock cylinder should last longer and will I be able to shoot 0.36 or 0.4 bb with maple leaf buckings?
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Old 08-16-2016, 02:33 PM   #11
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Yes. The cylinder has no influence on the fps, generally.
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