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Will a Nineball Power spring for a TM M18C work in a DEM84? (AEP)

Does anyone know if Nine ball's power spring designed for the marui M18C will work for a Double Eagle M84 (M9)?

The Spring?
http://www.uncompany.com/pageproductdet ... rodid=7501

The M84
http://www.airsoftpost.com/m84a-airsoft ... 28667.html

The M18C
http://www.airsoftpost.com/tokyo-marui- ... 24713.html

Judging from the cutaway picture that is on both of the boxes it looks like the gearboxes are dang similar. The switching mechanism looks different but I think that is all electrical.

Also if anyone has made this upgrade before on any AEP, I was wondering how fast it makes the gun shoot and how much it slows the gun down RPM wise.

Thanks.

Tags: aep, ball, double, eagle, m18c, m84, nine, spring

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Replies to This Discussion

Permalink Reply by Arthur "Lex" Lowther on December 19, 2008 at 8:38pm: Typically when you upgrade a spring in any system if its a heavier spring then the system already has it slows down the rate of fire and RPM's due to the gear's and motor having to work harder to push the spring.

You should be able to change out the spring in an AEP but you really need to be careful when doing so if the spring is to heavy it can burn your motor out really quickly, that or put to much stress on the gear box itself causing it to break.

I'd contact a certified repair upgrade location before even attempting it.; ▶ Reply to This

Permalink Reply by Malone on December 20, 2008 at 7:07pm: ok well I know all that....

My question is does the spring physically fit. I have upgraded my M14 myself.; ▶ Reply to This

Permalink Reply by Shifty on January 20, 2009 at 7:11pm: The spring will probably fit in the gearbox, but you might have to do modification to the spring guide (filing).; ▶ Reply to This