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Question on Indoor CQB Spring (<360fps)

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Old May 10th, 2012, 10:18   #1
ao_tenshi
 
Join Date: Apr 2011
Location: Toronto, Ontario
Question on Indoor CQB Spring (<360fps)

Hi all,

I'm totally new to airsoft, and I recently got my first aeg, a kwa m4a1, which shoots about 390-400fps stock. I'm looking to swap the spring to M90/M95 to lower the fps to game legal (<360fps). Will be running 7.4v 25C Lipo. But have a few questions:

1) Any standard spring on the market would be compatible with KWA M4?
2) Is there anything else I need to modify/change if I load the M90/M95 spring in?
3) Anything else I should do/consider to prep this stock aeg for gaming?

Thanks very much!
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Old May 10th, 2012, 11:01   #2
lurkingknight
 
Join Date: Jul 2011
Location: Ottawa
ye
no
maybe. I'd add a lipo monitor to be safe.
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Old May 10th, 2012, 11:11   #3
ao_tenshi
 
Join Date: Apr 2011
Location: Toronto, Ontario
yep, I've got the lipo monitor.
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Old May 10th, 2012, 11:23   #4
z0ng
 
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Join Date: Jul 2006
Location: Toronto, ON
Go for 350fps (on .20g BB's) or less for indoor.
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Old May 10th, 2012, 11:26   #5
ao_tenshi
 
Join Date: Apr 2011
Location: Toronto, Ontario
Quote:
Originally Posted by z0ng View Post
Go for 350fps (on .20g BB's) or less for indoor.
No idea what FPS will a M90 on KWA with 7.4V Lipo will give me... expecting it to be <360fps...
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Old May 10th, 2012, 11:31   #6
vink
 
Join Date: Dec 2005
Location: Toronto
M90 should do 300-330fps.
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Old May 10th, 2012, 11:33   #7
ao_tenshi
 
Join Date: Apr 2011
Location: Toronto, Ontario
Quote:
Originally Posted by vink View Post
M90 should do 300-330fps.
Would M100 safely keep me <360? Dont know how strict the CQB fields are....I just dont want to be barred from play for being like 10-20fps over.
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Old May 10th, 2012, 12:05   #8
lurkingknight
 
Join Date: Jul 2011
Location: Ottawa
100 would probably put you over.. stick with the 90 to be safe, remember you don't have to sit on the limit.
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