300 BLK - Powder Coated Bullets With IMR-4227

Published on March 8, 2017
Duration: 11:15

This YouTube video focuses on testing powder-coated bullets specifically with IMR-4227 powder in a 300 Blackout firearm. The content appears to be a range test or evaluation of this ammunition loading, likely intended for viewers interested in handloading or optimizing their 300 Blackout performance.

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