Magnum Research BAR446IMB Replacement Barrel 44 Rem Mag Fits Desert Eagle Mark XIX 6" Black Steel Muzzle Brake Barrel
https://www.tandktactical.com/shop/761226087243-magnum-research-bar446imb-replacement-barrel-44-rem-mag-fits-desert-eagle-mark-xix-6-black-steel-muzzle-brake-barrel-14034
https://www.tandktactical.com/web/image/product.template/14034/image_1920?unique=2236679
This Desert Eagle 6 inch barrel that fits your Mark XIX from Magnum Research. It features a black finish along with an integral muzzle brake.