Shop › DE 50AE 6" BARREL STS W/ BRAKE DE 50AE 6" BARREL STS W/ BRAKE $592.25 Magnum Research Barrel, .50 Action Express, 6", Picatinny Accessory Rail, With Muzzle Brake, Fits Desert Eagle MK XIX 50AE, Stainless Steel Finish, Silver BAR506SRMB Quantity: Add To Cart Added! Magnum Research Barrel, .50 Action Express, 6", Picatinny Accessory Rail, With Muzzle Brake, Fits Desert Eagle MK XIX 50AE, Stainless Steel Finish, Silver BAR506SRMB