QL request 260rem

[Slimfinn]

I searched and didn't find one
260 rem
H4831sc
143gr eldx, 2.9COL
22.5" barrel
WLR, sako brass,

Thanks slim

 

[DrMike]

Cartridge          : .260 Rem
Bullet             : .264, 143, Hornady ELD-X 2635 G7
Useable Case Capaci: 46.139 grain H2O = 2.996 cm³
Cartridge O.A.L. L6: 2.900 inch = 73.66 mm
Barrel Length      : 22.5 inch = 571.5 mm
Powder             : Hodgdon H4831 SC

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   95    40.68   2414    1851   41648   9497     90.7    1.372
-09.0   96    41.13   2443    1896   43091   9628     91.3    1.350
-08.0   97    41.58   2472    1941   44590   9756     91.9    1.329
-07.0   98    42.04   2501    1987   46145   9882     92.5    1.308
-06.0   99    42.49   2531    2033   47761  10005     93.0    1.287
-05.0  100    42.94   2560    2080   49439  10125     93.5    1.267
-04.0  101    43.39   2589    2128   51183  10242     94.0    1.247  ! Near Maximum !
-03.0  102    43.84   2618    2177   53000  10356     94.5    1.227  ! Near Maximum !
-02.0  103    44.30   2648    2226   54888  10467     95.0    1.208  ! Near Maximum !
-01.0  104    44.75   2677    2276   56852  10574     95.4    1.188  ! Near Maximum !
+00.0  105    45.20   2707    2327   58897  10678     95.9    1.170  ! Near Maximum !
+01.0  106    45.65   2737    2378   61028  10778     96.3    1.151  !DANGEROUS LOAD-DO NOT USE!
+02.0  107    46.10   2766    2430   63249  10874     96.7    1.133  !DANGEROUS LOAD-DO NOT USE!
+03.0  108    46.56   2796    2482   65565  10965     97.1    1.115  !DANGEROUS LOAD-DO NOT USE!
+04.0  109    47.01   2826    2536   67977  11053     97.4    1.098  !DANGEROUS LOAD-DO NOT USE!
+05.0  110    47.46   2856    2590   70500  11136     97.7    1.080  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    105    45.20   2848    2576   70879  10715     99.5    1.083  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    105    45.20   2525    2025   48163  10115     88.3    1.280

 

[Slimfinn]

Thanks Mike!