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Posted

Hi all,

 

I bought a TAC41 on the weekend and put a 120n spring in it, variable mass piston and airbrake cup. I didn't have much time to play with the different weights and length of the airbrake so I guessed.

 

I used 2 steel and 1 aluminium with the middle size airbrake.  This gave me approx 2.5j and 345fps using a .45bb

 

Just now on my very short lunch break I changed the airbrake to the long one to try reduce it slightly but it went down to 1.6j

 

What setup do I need with the different weights for the piston and length of airbrake to get 2.3j so I'm within the limits.

Thanks

PXL_20220424_101556677.jpg

  • 2 weeks later...
Posted

Hi Mamba,

 

Did you manage to sort it? i’m looking to get my Tac41 up to 500fps.. i also have the 120 spring, variable piston and head ext

This thread is over three months old. Please be sure that your post is appropriate as it will revive this otherwise old (and possibly forgotten) topic.

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