RL26 powder

[m5dx]

I just bought a new Nosler book and there's no info for a 300 WBY loaded with 180 gr AccuBond with RL26, any info would be helpful. Thanks

 

[DrMike]

Welcome aboard. Glad to welcome new posters.

artridge          : .300 Weath. Mag.
Bullet             : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 87.035 grain H2O = 5.651 cm³
Cartridge O.A.L. L6: 3.560 inch = 90.42 mm
Barrel Length      : 24.0 inch = 609.6 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   77    66.80   2501    2500   30508  11737     95.9    1.594
-18.0   79    68.47   2568    2636   32743  12068     97.0    1.551
-16.0   81    70.14   2635    2775   35156  12371     97.9    1.510
-14.0   83    71.81   2702    2918   37760  12644     98.7    1.466
-12.0   85    73.48   2768    3063   40575  12885     99.3    1.417
-10.0   87    75.15   2834    3211   43618  13091     99.7    1.370
-08.0   89    76.82   2900    3361   46912  13261    100.0    1.324
-06.0   91    78.49   2965    3513   50458  13394    100.0    1.280
-04.0   93    80.16   3029    3667   54247  13513    100.0    1.239  ! Near Maximum !
-02.0   95    81.83   3092    3822   58317  13628    100.0    1.198  ! Near Maximum !
+00.0   97    83.50   3155    3978   62695  13739    100.0    1.160  ! Near Maximum !
+02.0   99    85.17   3217    4137   67406  13845    100.0    1.123  !DANGEROUS LOAD-DO NOT USE!
+04.0  101    86.84   3279    4297   72483  13946    100.0    1.087  !DANGEROUS LOAD-DO NOT USE!
+06.0  103    88.51   3340    4459   77960  14042    100.0    1.052  !DANGEROUS LOAD-DO NOT USE!
+08.0  105    90.18   3401    4624   83877  14132    100.0    1.019  !DANGEROUS LOAD-DO NOT USE!
+10.0  106    91.85   3462    4791   90278  14217    100.0    0.987  !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     97    83.50   3284    4310   77998  13214    100.0    1.062  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     97    83.50   2955    3491   48196  14282     98.9    1.293

 

[SJB358]

Dang, looks pretty good there too...

Seems like 3200 with a 180 should be a breeze...