Home / hide-from-search / MP5SD Custom Barrel Extension/Fake Suppressor MP5SD Custom Barrel Extension/Fake Suppressor$14900 SKU: MP5SDBE-1 Category: hide-from-search Product ID: 7719 Custom faux suppressor barrel extension for SD builds. Product is out of stock Notify me when this product is back. Please enter a valid email! Subscribe Description Description Custom faux suppressor barrel extension for SD builds. Related products Sale! HK UMP 10mm Conversion Kit Bolt and Barrel from: $69900$49900