DWAINE CARRILLO M250 COBRA W/ BUTTON LOCK. Excellent preowned like new condition. The item "DWAINE CARRILLO M250 COBRA With BUTTON LOCK" is in sale since Sunday, January 19, 2020. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Custom & Handmade".hunter" and is located in Harrisonburg, Virginia. This item can be shipped worldwide.