.223 Rem - 77gr Sierra Match King with VihtaVuori N540
This video focuses on handloading ammunition for the .223 Remington cartridge, specifically utilizing 77gr Sierra Match King bullets. It's presented as the 13th installment in a "Mk 262 Mod 1 clone" series, indicating a focus on replicating a known military specification. The primary powder tested is VihtaVuori N540, with comparisons also being made to Accurate 2520, IMR 8208 XBR, and AR-Comp powders. The bullet features a Cannelure, which is relevant for certain reloading techniques. The description notes that all external links have been removed to comply with YouTube's policies.







