Parabellum Research 50 AE 300 Gr TMJ

Parabellum Research (PBR) assembles these high-quality cartridges in central Texas using careful quality control measures and efficient assembly tools that help them create everything from custom ammo for rare weapons to these high-powered 50 Action Express rounds. Their ammunition can excel in competition, casual plinking, law enforcement applications, and even long-range precision shooting, all while maintaining a competitive price point. 

This particular 300-grain total-metal-jacketed 50 Action Express round comes from PBR's "Perfect Practice Ammunition" line, which is intended to give shooters a purpose-built range or practice round for their Desert Eagle or any other weapon chambered in 50 AE. PBR builds their Perfect Practice rounds with lighter recoil, helping to reduce wear on the weapon and the user, and also helping curious friends or other shooters feel less intimidated if you wish to share the experience with others. This recoil reduction is purported to not come at the cost of reducing power or velocity below the caliber's intended performance, so you can still use it for zeroing or serious defensive training in any barrel length. Total metal jacketed projectiles are necessary to withstand the staggering power of the cartridge and prevent the plating from shearing away.