my gbb buckings grew?

Discussion of GBB (gas blowback) replicas.

my gbb buckings grew?

Postby CCCman » Tue Aug 02, 2011 11:00 pm

ok, so i took my we 1911 and my kwa usp for some shooting and noticed the bb's just fall out the barrel after every shot. so then i took my guns apart and noticed the bucking expanded and grew like 2x the normal size, the hop up chamber looked like it was about to burst and the rubber was sticking out all the cracks, and blocking the barrel, there fore creating the bb's to roll out the barrel. does anyone know why the rubber grew soo much? the only thing i can think of that could of been the cause is either the weather is too hot here, or the lube im using which is blasters silicon lube.
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Postby PanzerFaust » Tue Aug 02, 2011 11:25 pm

The buckings soak up silicone oil and expand, you need to keep those guys dry as possible. AONW has replacement buckings.
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Postby CCCman » Wed Aug 03, 2011 9:23 am

theres no fix? and does this also mean to never lube the hopup chamber?
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Postby CommieHunter » Wed Aug 03, 2011 10:03 am

The fix is to wash in soap and water for like 2-3 weeks. It is worth it to buy a new one.

Yes, you should never put silicone directly in the hop-up chamber.

http://www.airsoftoutletnw.com/index.ph ... &Itemid=28
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Postby CCCman » Wed Aug 03, 2011 10:18 am

ok thank you
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Postby Beran » Wed Aug 03, 2011 10:58 am

adam, that's a KWA bucking. he has a WE.
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Re: my gbb buckings grew?

Postby CommieHunter » Wed Aug 03, 2011 11:05 am

CCCman wrote:ok, so i took my ... kwa usp ... apart and noticed the bucking expanded and grew like 2x the normal size, the hop up chamber looked like it was about to burst and the rubber grew etc etc etc or the lube im using which is blasters silicon lube.


But the WE Bucking is here:

http://www.airsoftoutletnw.com/index.ph ... &Itemid=28
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Postby Beran » Wed Aug 03, 2011 11:31 am

ah gotcha, i missed the kwa bit.
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