This video focuses on testing powder-coated bullets in a 300 Blackout firearm, specifically addressing leading issues. The creator is experimenting with IMR-4198 powder for this test. The content is relevant to reloaders and those interested in optimizing bullet performance in 300 Blackout firearms.
This YouTube video, "Loading 300 Blk - ep 29 - 200gr Sierra Match King," focuses on the reloading process for 300 Blackout ammunition. The episode specifically details the use of 200-grain Sierra Match King bullets and two types of gunpowder: IMR-4227 and IMR-4198. The description also highlights that the reloading is for subsonic 300 Blackout rounds, indicating a focus on suppressed shooting or specific ballistic performance.
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