This video compares Hodgdon H4350 and IMR 4350 powders for the 6.5 Creedmoor cartridge using 143gr Hornady ELD-X bullets. While similar, IMR 4350 is slightly slower burning and allows higher max charges. Testing revealed H4350 achieved best accuracy at higher loads, while IMR 4350 showed a standout group at its lowest charge but degraded with increased compression. Both powders provided hunting-acceptable accuracy.
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