This video details a test comparing the accuracy of 70-grain Barnes TSX and Hornady GMX bullets in .223 Remington, using Vitavore N540 and IMR8208 XBR powders. The primary focus is to evaluate how barrel condition (dirty vs. clean) affects bullet performance, with detailed measurements of group size and velocity provided for each combination. The instructor, Johnny, demonstrates a methodical approach to reloading and shooting, highlighting the significant impact of copper fouling on velocity and accuracy.
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