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Gunworks Alpine


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Thread: 6.5x55 barrel lenght ?

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  1. #2
    Member
    Join Date
    Aug 2018
    Location
    Christchurch
    Posts
    1,734
    Modelling it in QL, 120gr TTSX, 40.0gr H4895 (AR2206H), 3.150" OAL.

    22": 2834fps
    21": 2802fps (-32fps)
    20": 2767fps (-35fps)
    19": 2691fps (-76fps)
    18": 2612fps (-79fps)
    17": 2528fps (-84fps)
    16": 2438fps (-90fps)

    Based on that, and that alone (i.e. no real-world testing), I wouldn't go less than 20".

 

 

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