Vv is closing you know? Last batch of powder is made in may next year. Vv N130 is a tad slow but here is a "mock up" in QL Cartridge : 8.15 x 46 R Bullet : .321, 195, H&N LKS KB Cartridge O.A.L. L6 : 2.452 inch or 62.28 mm Barrel Length : 24.0 inch or 609.6 mm Powder : Vihtavuori N130 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 Btime % % Grains fps ft.lbs psi psi % ms -20,0 61 16,80 1372 815 13513 2478 86,1 2,393 -18,0 63 17,22 1404 853 14300 2560 87,3 2,336 -16,0 64 17,64 1435 892 15126 2642 88,4 2,281 -14,0 66 18,06 1466 931 15994 2723 89,5 2,228 -12,0 67 18,48 1498 971 16906 2801 90,5 2,173 -10,0 69 18,90 1529 1012 17864 2879 91,5 2,119 -08,0 71 19,32 1560 1053 18871 2954 92,4 2,067 -06,0 72 19,74 1590 1095 19929 3027 93,3 2,017 -04,0 74 20,16 1621 1137 21040 3099 94,1 1,969 ! HOT LOAD ! -02,0 75 20,58 1651 1181 22205 3168 94,8 1,923 ! HOT LOAD ! +00,0 77 21,00 1681 1224 23416 3235 95,5 1,878 !DANGEROUS LOAD-DO NOT USE! +02,0 78 21,42 1711 1268 24679 3299 96,2 1,836 !DANGEROUS LOAD-DO NOT USE! +04,0 80 21,84 1741 1313 26001 3361 96,8 1,794 !DANGEROUS LOAD-DO NOT USE! +06,0 81 22,26 1771 1358 27386 3420 97,3 1,755 !DANGEROUS LOAD-DO NOT USE! +08,0 83 22,68 1800 1403 28835 3476 97,8 1,716 !DANGEROUS LOAD-DO NOT USE! +10,0 84 23,10 1830 1449 30352 3529 98,3 1,679 !DANGEROUS LOAD-DO NOT USE! Results caused by ± 10% powder lot-to-lot burning rate variation us
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