This guide details the process of reloading 224 Valkyrie cartridges, focusing on the use of RCBS dies after experiencing issues with Forester dies. It covers brass preparation, die setup, headspace measurement, bullet seating to specific overall lengths, and powder charging. The speaker emphasizes the importance of proper die adjustment and checking for pressure signs, while also discussing the performance of various bullet weights.
This video details a DIY modification to a Lee 300 Blackout sizing die's expander ball to address inconsistent neck tension. The instructor demonstrates a process of sanding down the 0.307" expander ball to a smaller diameter (0.306" or 0.305") using various grits of sandpaper and finishing with polishing materials. The goal is to achieve tighter neck tension, comparable to Forester and RCBS dies, to prevent bullet setback during chambering.
This video details the process of converting 5.56 brass into 300 Blackout cases. It covers cutting the brass, sizing it in a 300 Blackout die, trimming to length, and a preliminary annealing process. The instructor emphasizes the importance of proper case preparation for successful reloading and highlights potential challenges and techniques for beginners.
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