Videos tagged with IMR-4198

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 video details the reloading and ballistic testing of 200gr Sierra Match King bullets in 300 Blackout. The instructor, with extensive experience in reloading and ballistics, evaluates two powders (IMR 4227 and IMR 4198) across two different firearms (8.5-inch and 16-inch barrels). The testing focuses on velocity, group size, and firearm function, providing data to help viewers select optimal loads for subsonic 300 Blackout applications.

This video details the process of reloading 300 Blackout subsonic ammunition, focusing on accuracy tests with Hornady A-Max 208gr and Palmetto Projectiles. The instructor demonstrates reloading steps including brass preparation, powder charging with specific loads for Accurate 1680, Reloder 7, and IMR 4198, and bullet seating. The results highlight significant accuracy differences between jacketed and lead bullets, suggesting potential issues with lead bullet diameter for the firearm's twist rate.