This video details the testing of Hodgdon CFE BLK powder with powder-coated bullets in 300 Blackout. The presenter experienced previous issues with lead and 'goop' buildup in chambers when using powder-coated bullets, but this test aims to see if CFE BLK mitigates these problems. Both supersonic and subsonic loads were tested using specific bullet weights and powder charges.
This video details the testing of Reloder 7 powder for 300 Blackout reloads using powder-coated lead bullets. The instructor addresses historical feeding issues with such bullets and systematically tests different powders. Reloder 7 is evaluated with both 160-grain supersonic and 202-grain subsonic loads, with chronograph data and shooting performance observed. The instructor concludes that Reloder 7 performed without issues in this test.
This video details the testing of IMR 4227 powder for 300 Blackout reloads using powder-coated bullets. The instructor experienced issues with powder-coated bullets in previous tests and aimed to determine if IMR 4227 would function reliably. Two bullet weights were tested: 160-grain and 202-grain, with specific powder charges and overall lengths outlined. The testing involved both unsuppressed and suppressed firing, with observations on cycling, bolt lock-back, and accuracy.
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