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Thread: Bullet seating depth's for rifle barrel node

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  1. #1
    Join Date
    Dec 2007
    Location
    Dewsbury
    Posts
    2,972
    Thanks Baldycoot.

    Well testing so far.
    34.5 gn's of n140 was poi stable over a few gn's either side and wasn't showing any pressure sign's with the 55 g vmax
    35.5 gn's of n140 for the 50 gn v max was just a "middle of the road" suggestion from some one -------but no pressure sign's.

    N140 & Hornady 55 g vmax 34.5 gn's seating depths from 2.340'' -2.365'' in 5 thou increments, best group 25mm with 2.345"
    N140 & Hornady 50g vmax 35.5 gn's seating depth. from 2.350 -2. 360. in 5 thou increments best group 25mm with 2.355" & 2.360"

    Looks like i have a long way to go ----------i hate it.

    Dave (warbucks)
    Theoben Rapid MK1 177
    AA S410 22
    Bushnall Scout Range Finder
    Hawk 3 x 9 x 40 m.a.p scopes
    Deben mini pro lamping system

  2. #2
    Join Date
    Apr 2014
    Location
    Watford
    Posts
    927
    Looking up the details on the rifle the barrel twist is 1:141/2 which generally means they like bullets below 55grains
    It could be that your rifle does not get on with them so you may have to look at lighter bullets say in the 40-52 grain range.

    ATB
    James

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