Thanks Herb
For smokeless powder this is the chart I've been looking at:
I saw some loads using Unique powder but they use 13.0 to 16.5c for a 405 gr bullet & that smae charge in that big case bothers me.
Did not know I could use a wad over BP in a cartridge case..
Alemonkey that load shoots great what about recoil?
Cartridge: 45-70 Government (Trapdoor Rifles)*
Load Type: Rifle
Starting Loads
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Maximum Loads
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Bullet Weight (Gr.) Manufacturer Powder Bullet Diam. C.O.L. Grs. Vel. (ft/s) Pressure Grs. Vel. (ft/s) Pressure
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300 GR. CAST LFP Hodgdon Varget .458" 2.465" 45.0 1599 17,800 CUP 55.0 1880 20,600 CUP
300 GR. CAST LFP IMR IMR 4064 .458" 2.465" 49.8 1685 19,400 CUP 53.0 1813 21,800 CUP
300 GR. CAST LFP IMR IMR 4895 .458" 2.465" 47.5 1590 16,500 CUP 50.5 1703 20,400 CUP
300 GR. CAST LFP Hodgdon H4895 .458" 2.465" 45.0 1572 14,400 CUP 51.0 1703 15,500 CUP
300 GR. CAST LFP IMR IMR 8208 XBR .458" 2.465" 51.2 1723 19,500 CUP 55.0 1924 24,700 CUP
300 GR. CAST LFP IMR IMR 3031 .458" 2.465" 51.7 1839 18,700 CUP 55.0 1995 24,900 CUP
300 GR. CAST LFP Hodgdon Benchmark .458" 2.465" 54.0 1788 18,300 CUP 58.0 1940 21,900 CUP
300 GR. CAST LFP IMR IMR 4198 .458" 2.465" 33.8 1649 15,500 CUP 36.0 1752 20,200 CUP
300 GR. CAST LFP Hodgdon H4198 .458" 2.465" 30.0 1390 14,400 CUP 35.5 1641 16,100 CUP
300 GR. CAST LFP IMR Trail Boss .458" 2.465" 14.0 1199 19,400 CUP 16.5 1285 20,900 CUP
300 GR. SIE HP Hodgdon Varget .458" 2.525" 57.0 1770 16,300 CUP 63.0C 2020 23,800 CUP
300 GR. SIE HP IMR IMR 4064 .458" 2.525" 57.0 1865 22,500 CUP 60.5C 1992 25,100 CUP
300 GR. SIE HP IMR IMR 4895 .458" 2.525" 57.0 1826 21,700 CUP 61.0C 1968 23,900 CUP
300 GR. SIE HP Hodgdon H335 .458" 2.525" 57.0 1901 17,500 CUP 63.5 2143 27,400 CUP
300 GR. SIE HP Hodgdon H4895 .458" 2.525" 58.0 1805 16,500 CUP 62.0C 1974 21,000 CUP
300 GR. SIE HP IMR IMR 8208 XBR .458" 2.525" 54.0 1728 18,800 CUP 60.0 2023 25,400 CUP
300 GR. SIE HP IMR IMR 3031 .458" 2.525" 56.0 1884 21,100 CUP 59.5C 2021 22,000 CUP
300 GR. SIE HP Hodgdon Benchmark .458" 2.525" 59.5 1907 19,400 CUP 63.5C 2113 27,400 CUP
300 GR. SIE HP Hodgdon H322 .458" 2.525" 54.0 1850 18,100 CUP 60.0 2142 28,000 CUP
300 GR. SIE HP IMR IMR 4198 .458" 2.525" 45.0 2008 23,500 CUP 48.0 2138 27,800 CUP
300 GR. SIE HP Hodgdon H4198 .458" 2.525" 45.0 1807 16,700 CUP 55.0 2221 27,600 CUP
385 GR. CAST LFP Hodgdon Varget .458" 2.505" 42.5 1537 15,400 CUP 52.5 1805 21,800 CUP
385 GR. CAST LFP IMR IMR 4064 .458" 2.505" 47.0 1545 18,800 CUP 50.0 1661 24,000 CUP
385 GR. CAST LFP IMR IMR 4895 .458" 2.505" 44.2 1412 16,200 CUP 47.0 1486 18,100 CUP
385 GR. CAST LFP Hodgdon H4895 .458" 2.505" 35.0 1280 11,900 CUP 42.0 1526 23,100 CUP
385 GR. CAST LFP IMR IMR 3031 .458" 2.505" 49.0 1684 22,300 CUP 52.0 1819 25,900 CUP
385 GR. CAST LFP Hodgdon Benchmark .458" 2.505" 50.0 1621 16,300 CUP 53.0 1779 21,300 CUP
385 GR. CAST LFP IMR IMR 4198 .458" 2.505" 31.0 1405 15,000 CUP 33.0 1491 17,400 CUP
385 GR. CAST LFP Hodgdon H4198 .458" 2.505" 28.0 1302 13,300 CUP 32.0 1483 14,700 CUP
385 GR. CAST LFP IMR Trail Boss .458" 2.505" 14.0 1075 19,400 CUP 16.0 1142 23,200 CUP
405 GR. CAST LFP Hodgdon Varget .458" 2.540" 40.0 1392 15,600 CUP 50.0 1718 20,900 CUP
405 GR. CAST LFP IMR IMR 4064 .458" 2.540" 46.0 1534 17,900 CUP 49.5 1660 23,200 CUP
405 GR. CAST LFP IMR IMR 4895 .458" 2.540" 45.6 1496 18,900 CUP 48.5 1598 23,000 CUP
405 GR. CAST LFP Hodgdon H4895 .458" 2.540" 40.0 1424 14,900 CUP 48.0 1645 18,900 CUP
405 GR. CAST LFP IMR IMR 8208 XBR .458" 2.540" 47.9 1637 21,800 CUP 51.0 1727 23,600 CUP
405 GR. CAST LFP IMR IMR 3031 .458" 2.540" 45.5 1597 17,300 CUP 48.5 1706 21,100 CUP
405 GR. CAST LFP Hodgdon Benchmark .458" 2.540" 47.0 1564 17,100 CUP 50.0 1695 22,600 CUP
405 GR. CAST LFP IMR IMR 4198 .458" 2.540" 30.0 1370 17,000 CUP 32.0 1462 19,000 CUP
405 GR. CAST LFP Hodgdon H4198 .458" 2.540" 27.0 1251 14,200 CUP 31.0 1459 17,100 CUP
405 GR. CAST LFP IMR Trail Boss .458" 2.540" 12.0 971 24,500 CUP 13.0 1007 25,600 CUP
485 GR. CAST LFP IMR IMR 4064 .458" 2.540" 38.5 1280 17,400 CUP 41.0 1372 21,300 CUP
485 GR. CAST LFP IMR IMR 4895 .458" 2.540" 40.0 1294 19,700 CUP 43.0 1435 25,300 CUP
485 GR. CAST LFP IMR IMR 3031 .458" 2.540" 39.5 1406 20,500 CUP 42.0 1488 22,600 CUP
485 GR. CAST LFP Hodgdon Benchmark .458" 2.540" 38.0 1290 15,600 CUP 43.0 1503 23,400 CUP
485 GR. CAST LFP IMR IMR 4198 .458" 2.540" 30.5 1364 17,500 CUP 32.5 1439 21,600 CUP
485 GR. CAST LFP Hodgdon H4198 .458" 2.540" 28.0 1279 16,400 CUP 32.0 1434 20,400 CUP
485 GR. CAST LFP IMR Trail Boss .458" 2.540" 8.0 699 17,100 CUP 10.0 804 23,300 CUP
NEVER EXCEED MAXIMUM LOADS