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outer barrel compatibility?


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#1 Katatonia

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Posted 09 September 2008 - 03:11 PM

hey all,i just recently bought a kwa,but i have about 5 years in airsoft.
but my KM4 is not wanting to accept my Classic Army one peice barrel,the hop-up sticks inside of it,and i had to shave down the arm to have it not engage all the time,but it had hoorible feeding problems,and it had massive air loss,around 60 fps or so.


my KM4 has a Madbull Dragon Fire 12.5 inch rail
                     DBC custom barrel
                     and i had the one peice barrel on but i swapped it,just so i can shoot <_<



but my question is this,what after market,user tested one peice outer barrel is 100% compatible with the KM4?
any help is appreciated

#2 Shmoogly3

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Posted 09 September 2008 - 03:38 PM

Dude all inner barrels are one piece and the outer barrel has nothing to do with your air compression. It's the outer barrels that can be a two piece barrel. Are you talking about a one piece hop up unit. If your talking about a one piece hop up unit than that's your problem right there. kwa airsoft rifles take 2 piece hopup units, the feeding tube is seperate from the actual hop up unit. You shouldn't be using a 1 piece hop up unit in your gun, infact if you are, I'm suprised you got it in the gun!

#3 Shmoogly3

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Posted 09 September 2008 - 03:47 PM

I'm sorry I just reread your post and I know what your talking about now. Your barrel is probably sliding to far into the barrel and it made a bigger gap from the hop up unit to the air nozzle. That barrel is not meant for the kwa gun. You can swap barrels though, did you swap out this piece too?

http://www.airsoftpo...oducts_id=27886

When you look at the picture I'm talking about the piece on the bottom thats like 2-3in. long. If you swapped that piece out with the barrel than that's probably why your getting your fps loss. You should leave the old one in that comes with the gun and if you can put just the outer barrel of the classic army into it. To clearify, the piece I'm talking about is the piece that mounts the outer barrel or that the outer barrel slides into. I hope you could make sense out of my response....

#4 Katatonia

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Posted 09 September 2008 - 03:54 PM

i understand what your saying,but its just that i want a one peice barrel,to eliminate the wobble i have with my current set-up.
what your saying is that kwa's arent compatible with any other after market outer barrels? :blink:

#5 Shmoogly3

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Posted 09 September 2008 - 06:17 PM

Kwa's outer barrels are like the most rugged and solid barrels. Is yours wobbling? What you have to do is losen all the screws at the bottom and push the barrel all the way in and tighten the screws really tight with some locktite liquid. I'm am telling you that kwa's barrels have no wobble whatsover once you get them secured and there way better than any classic army, g&g, or other brand. Keep your old barrel, that is one of the things about kwa that I liked is that there so durable!

#6 Guest_allizard_*

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Posted 09 September 2008 - 08:58 PM

KWA outer barrel is an adjustable one piece barrel and it doesn't wobble like the TM.  The 4 set screws at the base is use for adjusting the length when combine with other rail set.

#7 Katatonia

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Posted 10 September 2008 - 04:49 PM

i have tightened all the screws and even torqued the delta ring as far as it would go,but the end of the barrel still wobbles,i dont know.maybe i just need to get a new rail sytem  :lol:
thanks for all the help though  ;)

#8 Guest_allizard_*

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Posted 10 September 2008 - 08:46 PM

that's weird... I was just working on the Barrel today and there is no wobble at all.   I know some rail system their delta ring doesn't screw all the way in the receiver.  It's a thread issue.  The G&P rail have this problem.  But the "Knock off" La Rue rail from Ebaybanned works prefect.  FYI, if the delta ring isn't screw all the way in the reciver your barrel will be loose.  Hence you get the barrel wobble.

#9 karMeister

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Posted 10 September 2008 - 10:25 PM

 Katatonia, on Sep 10 2008, 04:49 PM, said:

i have tightened all the screws and even torqued the delta ring as far as it would go,but the end of the barrel still wobbles,i dont know.maybe i just need to get a new rail sytem  :lol:
thanks for all the help though  ;)

you sure its all the way in? You migh wanna screw all the screws lightly then tighten the two adjacent screws slowly.

Anyway abou the rail system to prevent wobble, a piggyback style rail system or an MRP will work best. (S-SYSTEM, CASV for Piggyback style)

#10 Katatonia

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Posted 11 September 2008 - 09:23 AM

hmmm,

i got the the dela ring as far as it would go,maybe its just that the threads dont match.
i'll keep working on it and see where i go with it.

and the rail system doesnt wobble,just the barrel.i might just get the JG/echo free float rail off of asgi.

#11 Guest_allizard_*

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Posted 11 September 2008 - 10:05 AM

 Katatonia, on Sep 11 2008, 10:23 AM, said:

hmmm,

i got the the dela ring as far as it would go,maybe its just that the threads dont match.
i'll keep working on it and see where i go with it.

and the rail system doesnt wobble,just the barrel.i might just get the JG/echo free float rail off of asgi.

Does it move back and fore?  if it does then the rail isn't screw all the way the receiver.

#12 elite

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Posted 11 September 2008 - 02:38 PM

 allizard, on Sep 9 2008, 10:58 PM, said:

KWA outer barrel is an adjustable one piece barrel and it doesn't wobble like the TM.  The 4 set screws at the base is use for adjusting the length when combine with other rail set.
sorry for getting off topic but how do u adjust the barrel? do u twist the sectoins?

#13 Shmoogly3

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Posted 11 September 2008 - 04:22 PM

Once the screws are loose enough I think you can just slide it.

#14 Katatonia

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Posted 11 September 2008 - 04:30 PM

to allizard,the rails dont move at all,only the outer barrel.its really weird.
and are you the same allizard from ASR?

#15 brooklyn468

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Posted 11 September 2008 - 04:30 PM

 elite, on Sep 11 2008, 05:38 PM, said:

sorry for getting off topic but how do u adjust the barrel? do u twist the sectoins?

There are 4 screws right in front of the delta ring. You have to remove the handguard to see them  :)

#16 Guest_allizard_*

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Posted 11 September 2008 - 04:48 PM

 Katatonia, on Sep 11 2008, 05:30 PM, said:

to allizard,the rails dont move at all,only the outer barrel.its really weird.
and are you the same allizard from ASR?

I wasn't asking about the rail.  I'm asking about the barrel will it moved back and fore.  May be I word it wrong.  

But anyway, yes I'm the same snotty guy on ASR, ASF, ASB etc.  the One and only Allizard.

- Allen

#17 vic_man4

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Posted 11 September 2008 - 05:51 PM

 allizard, on Sep 11 2008, 04:48 PM, said:

I wasn't asking about the rail.  I'm asking about the barrel will it moved back and fore.  May be I word it wrong.  

But anyway, yes I'm the same snotty guy on ASR, ASF, ASB etc.  the One and only Allizard.

- Allen

You should go onto ASC (Airsoft Canada) :lol: KWA's are going for near $700, JG's are only like $400 XD Canada sucks for airsoft :(

#18 brooklyn468

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Posted 11 September 2008 - 07:03 PM

 vic_man4, on Sep 11 2008, 08:51 PM, said:

You should go onto ASC (Airsoft Canada) :lol: KWA's are going for near $700, JG's are only like $400 XD Canada sucks for airsoft :(

Airsofters in Canada must be hardcore  :lol:

#19 Katatonia

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Posted 12 September 2008 - 09:59 AM

 allizard, on Sep 11 2008, 05:48 PM, said:

I wasn't asking about the rail.  I'm asking about the barrel will it moved back and fore.  May be I word it wrong.  

But anyway, yes I'm the same snotty guy on ASR, ASF, ASB etc.  the One and only Allizard.

- Allen


i dont believe the barrel moves back and forth.but i'll check when i get home,im in school lol  :lol:
i thought it was you,hahahaha im from ASR and ASF also

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Posted 14 September 2008 - 12:38 AM

 Katatonia, on Sep 12 2008, 10:59 AM, said:

i dont believe the barrel moves back and forth.but i'll check when i get home,im in school lol  :lol:
i thought it was you,hahahaha im from ASR and ASF also

I guess you didn't read my BIG retirement Announcement on ASF and ASR...  ;)




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