Norma’s .375 Flanged Magnum Nitro Express loaded with the 300-grain RNSN bullet offers traditional big-bore ballistics and rugged terminal performance for dangerous game and heavy-bodied species. The round-nose soft-nose projectile provides reliable penetration and controlled expansion at classic Nitro Express velocities, making it well suited for double rifles, single-shot rifles and classic break-action hunting arms chambered for flanged magnum cartridges.
Manufactured to Norma’s high quality standards using premium brass, consistent powders and dependable primers, these factory rounds deliver smooth feeding, reliable ignition and repeatable performance. Supplied in a compact 10-round box, this load is ideal for hunters using flanged or magnum actions who value traditional performance and dependable terminal effects.





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