Load shoots, quick load please

[muzz]

Can some one do a quick load for me please,
280ai nosler brass 168 vld Berger rl 26 with 60 grains of powder. Load shoots .3 groups. Want to make sure it's safe

 

[muzz]

There seated at 2.775

 

[Dwh7271]

Speed?

 

[muzz]

Chronic said 3008

 

[Dwh7271]

Barrel?
Also, 2.775 seems like a very short COAL. Is that to the ogive, not COAL?

 

[muzz]

Ogive. 26" barrel

 

[Dwh7271]

Cartridge          : .280 Ack Imp
Bullet             : .284, 168, Berger VLD #28401
Useable Case Capaci: 64.408 grain H2O = 4.182 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length      : 26.0 inch = 660.4 mm
Powder             : Alliant Reloder-26 ?

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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

-20.0   75    48.00   2458    2254   32333   9360     99.7    1.688
-18.0   77    49.20   2516    2361   34686   9513     99.9    1.644
-16.0   79    50.40   2573    2470   37219   9640    100.0    1.599
-14.0   81    51.60   2630    2579   39946   9758    100.0    1.548
-12.0   83    52.80   2685    2690   42838   9873    100.0    1.499
-10.0   85    54.00   2740    2801   45913   9986    100.0    1.453
-08.0   86    55.20   2794    2913   49196  10095    100.0    1.409
-06.0   88    56.40   2848    3026   52702  10202    100.0    1.366
-04.0   90    57.60   2901    3140   56449  10305    100.0    1.325  ! Near Maximum !
-02.0   92    58.80   2954    3255   60455  10406    100.0    1.286  ! Near Maximum !
+00.0   94    60.00   3006    3371   64740  10502    100.0    1.248  !DANGEROUS LOAD-DO NOT USE!
+02.0   96    61.20   3058    3489   69328  10596    100.0    1.212  !DANGEROUS LOAD-DO NOT USE!
+04.0   98    62.40   3110    3608   74243  10686    100.0    1.177  !DANGEROUS LOAD-DO NOT USE!
+06.0  100    63.60   3161    3728   79516  10771    100.0    1.143  !DANGEROUS LOAD-DO NOT USE!
+08.0  102    64.80   3213    3850   85178  10853    100.0    1.111  !DANGEROUS LOAD-DO NOT USE!
+10.0  103    66.00   3264    3974   91266  10931    100.0    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     94    60.00   3099    3583   79586  10140    100.0    1.155  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     94    60.00   2864    3060   50092  11036    100.0    1.378

Even though there is a "dangerous" on the line of your load, the pressure is under the 65 mark. (a little :grin: ) Only you can tell if it's safe in your rifle, but I'd probably shoot it.

 

[muzz]

Thank you, I can back it down a bit. 59.7 shoots just as good