Magnum Research Barrel .50 Action Express 6 Picatinny Accessory Rail With Muzzle Brake Fits Desert Eagle MK XIX 50AE Stainless Steel Finish Silver. 50 AE. All steel construction. Available in multitude of finishes. Picatinny style accessory rail. Simple installation (when switching from .357 magnum you will need to change the bolt assembly). Please refer to the DE owners manual for installation instructions. Specifications for Magnum Research Barrel .50 Action Express 6 Picatinny Accessory Rail With Muzzle Brake Fits Desert Eagle MK XIX 50AE Stainless Steel Finish Silver: Manufacturer: Magnum Research Color: Silver Finish: Stainless Steel Barrel Length: 6 in Additional Features: Desert Eagle Barrel Handle Color: Silver Handle Finish: Stainless Steel Blade Finish: Stainless Steel Case Finish: Stainless Steel Features of Magnum Research Barrel .50 Action Express 6 Picatinny Accessory Rail With Muzzle Brake Fits Desert Eagle MK XIX 50AE Stainless Steel Finish Silver: 6 Barrel" Package Contents: Magnum Research Barrel .50 Action Express 6 Picatinny Accessory Rail With Muzzle Brake Fits Desert Eagle MK XIX 50AE Stainless Steel Finish Silver