This guide details essential brass preparation techniques for reloaders, emphasizing consistency and precision. Key steps include proper dry tumbling with minimal additives, achieving optimal flame annealing by waiting for visible redness, and using competition shell holders for accurate shoulder bump adjustments. The video also highlights the importance of square trimming, light chamfering, and deburring flash holes for consistent ignition, while advising against overworking primer pockets.
Instruction from a firearms enthusiast and reloader on preparing and sizing 300 Winchester Magnum brass. The video details the challenges of reloading for this caliber, including the long throat of the Thompson Center Compass rifle and the importance of proper neck tension and shoulder bumping. It covers selecting collets, setting up sizing dies, using specialized tools for case maintenance, and determining optimal seating depths for accuracy.
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