Here's that load using 39.0 grains as the input, if you want me to run it with shorter COL's or any other changes just send a pm with your email and I'll modify input data and send them on, really easy to do.

Cartridge : .260 Rem
Bullet : .264, 140, Berger VLD #26401
Useable Case Capaci: 46.338 grain H2O = 3.009 cm�
Cartridge O.A.L. L6: 2.887 inch = 73.33 mm
Barrel Length : 23.7 inch = 602.0 mm
Powder : Alliant Reloder-17

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 70 31.20 2111 1386 24759 7631 93.5 1.745
-18.0 71 31.98 2162 1453 26258 7866 94.6 1.702
-16.0 73 32.76 2212 1522 27844 8091 95.6 1.661
-14.0 75 33.54 2263 1592 29525 8305 96.5 1.620
-12.0 77 34.32 2313 1664 31307 8507 97.3 1.581
-10.0 78 35.10 2364 1737 33193 8697 98.1 1.543
-08.0 80 35.88 2414 1811 35199 8873 98.6 1.505
-06.0 82 36.66 2463 1886 37322 9035 99.1 1.468
-04.0 84 37.44 2513 1963 39577 9182 99.5 1.427
-02.0 85 38.22 2562 2040 41969 9313 99.8 1.389
+00.0 87 39.00 2610 2118 44510 9427 99.9 1.352
+02.0 89 39.78 2659 2197 47212 9525 100.0 1.316
+04.0 91 40.56 2706 2277 50083 9613 100.0 1.281
+06.0 92 41.34 2753 2357 53138 9698 100.0 1.248 ! Near Maximum !
+08.0 94 42.12 2800 2437 56390 9782 100.0 1.215 ! Near Maximum !
+10.0 96 42.90 2846 2519 59854 9863 100.0 1.184 !DANGEROUS LOAD-DO NOT USE!