m4 upgrade

ronniep

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hi im pretty new to airsofting, i have bought a reconditioned m4a1.

the gun itself is veryfast, but the power isn't where i wud like it to be.

im looking to upgrade to a m140 spring from a m110 spring.

the gearbox is v2.

can any1 help with wot other parts i need to get.

 
you do realise thats like 450-480 fps.... which site do u play at

 
lol so use are saying that i need to leave the spring alone.

 
Basically yes. I suggest you give it a go at a few games before you consider if it actually needs upgrading :)

 
yeah most site limit you to 350fps so an m110 should be ok, if its still too high downgrade to an m100/1J

 
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