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DrYellowMamba

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  1. 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

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