260 load

Jamie

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Looking for a good starting point for

Berger 130 VLD
243 win brass necked up
210m primers
H4350


Cheers
 
Berger book says 37.5 start with 41.8 max

I would think that's light, I had 130 accubonds at 45gr and 123sst at 47 with H4350.

The Berger will be longer though, I'd start at 39 maybe 40, and I'd guess you'd get to 43.5
 
image.jpg

This might be my personal best 10shot group ever

Started at 41 grs and went up in .5

43 even was this group no pressure signs. Sadly the chrono did not work.

Loaded to Max AICS mag length with front plate in
 

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I shot a very accurate load with 130 Bergers for years, took many deer with the load. 40gr Varget.
Quit using the Bergers before using 4350
 
Code:
Cartridge          : .260 Rem
Bullet             : .264, 130, Berger Hunt VLD  G7 #26503
Useable Case Capaci: 45.432 grain H2O = 2.950 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-10.0   94    38.70   2577    1917   44168   8459     94.8    1.342
-09.0   96    39.13   2605    1958   45602   8555     95.2    1.323
-08.0   97    39.56   2632    2000   47077   8649     95.6    1.304
-07.0   98    39.99   2660    2042   48595   8741     96.0    1.285
-06.0   99    40.42   2687    2085   50161   8830     96.4    1.267
-05.0  100    40.85   2715    2128   51780   8916     96.8    1.249
-04.0  101    41.28   2742    2171   53453   9000     97.1    1.231
-03.0  102    41.71   2770    2215   55181   9081     97.4    1.213  ! Near Maximum !
-02.0  103    42.14   2797    2259   56968   9158     97.7    1.196  ! Near Maximum !
-01.0  104    42.57   2825    2303   58815   9233     98.0    1.180  ! Near Maximum !
+00.0  105    43.00   2852    2348   60725   9305     98.3    1.163  ! Near Maximum !
+01.0  106    43.43   2880    2394   62701   9373     98.5    1.147  ! Near Maximum !
+02.0  107    43.86   2907    2439   64746   9438     98.8    1.131  !DANGEROUS LOAD-DO NOT USE!
+03.0  108    44.29   2934    2485   66862   9500     99.0    1.115  !DANGEROUS LOAD-DO NOT USE!
+04.0  109    44.72   2961    2531   69052   9558     99.2    1.100  !DANGEROUS LOAD-DO NOT USE!
+05.0  110    45.15   2989    2578   71321   9613     99.3    1.085  !DANGEROUS LOAD-DO NOT USE!
 
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