Magnum Research has developed a new fast powerful .44 caliber pistol cartridge. The 429 DE Desert Eagle was designed to enhance the famous and powerful Desert Eagle platform. This cartridge has a 25 velocity increase and 45 energy increase over a 44 Mag 240 6 barrel. Based on the famous 50 AE cartridge the 429 DE is made with Starline brass and loaded by HSM in Montana with Sierra bullets.