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Rookie questions about M4 Tactical


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#1 SpaceMonky

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Posted 13 September 2008 - 05:21 PM

hey everyone. i'm relatively new to airsoft and i'm looking to make the M4 Tactical my main weapon. I have a small problem though and was hoping you guys could help me out.

1. the area where i play seems to be lowering the FPS max to 350 on all AEG's. this is obviously a problem for a stock 400 fps gun. I also want to add a prometheus tight bore which should add more FPS, right? So, my question is this: What is the stock spring in the M4 Tactical and how low of a spring would i have to get to achieve a 350-360 FPS with the tight bore?

2. What brand/type of spring would be good?

3. will i need a different bucking for the prometheus tight bore?

i guess that's it. any help would be greatly appreciated. thanks in advance.

#2 vic_man4

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Posted 13 September 2008 - 06:43 PM

View PostSpaceMonky, on Sep 13 2008, 05:21 PM, said:

hey everyone. i'm relatively new to airsoft and i'm looking to make the M4 Tactical my main weapon. I have a small problem though and was hoping you guys could help me out.

1. the area where i play seems to be lowering the FPS max to 350 on all AEG's. this is obviously a problem for a stock 400 fps gun. I also want to add a prometheus tight bore which should add more FPS, right? So, my question is this: What is the stock spring in the M4 Tactical and how low of a spring would i have to get to achieve a 350-360 FPS with the tight bore?

2. What brand/type of spring would be good?

3. will i need a different bucking for the prometheus tight bore?

i guess that's it. any help would be greatly appreciated. thanks in advance.

Its has a M120 spring in it, a Systema M100 spring should bring you below 350fps along with your TBB. The stock bucking fits with a prom barrel if I remember correctly.

#3 SpaceMonky

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Posted 14 September 2008 - 01:25 AM

cool. thanks for your help. :)

#4 Doctor Kajita

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Posted 18 September 2008 - 12:50 PM

Stock bucking fits the Prommy TB.  Systema and Guarder 50% also work, but you'll probably have to cut the end of the bucking a bit.  You might have different results so experiment.




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