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Thread: Crown 600mm STX twist rate

  1. #1
    Sharp Shooter

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    Default Crown 600mm STX twist rate

    Hallo Everyone

    Can someone please help me with the twist rate of standard (factory) 600mm STX barrel liner in 5.5mm?

    Tnx
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  2. #2
    REP: Outdoor Pitstop
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    Depending how old is that rifle, i think the 1st ones had pellet liner A. The newer ones will have pellet liner B

    FX STX Liner Twist Rates
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  3. #3
    Sharp Shooter
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    They all come with the pellet A liner.
    B liner is separate for 25gr jsb in 5.5mm.

    Slug liner shoots the 25gr well enough that the B seems to be pretty much pointless
    Last edited by Macros; 18-08-19 at 07:35.
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  4. #4
    Sharp Shooter

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    Thanks so much!!
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