A superior suppressor designed and built by experts. The DD 556-L is a high performance, lightweight can that offers unsurpassed sound suppression while maintaining exceptional accuracy, longevity and reliability. When your life depends on it, trust the world’s most trusted suppressor company. A companion to the DDM4v7, the DANIELDEFENSE DD5V1 SUPPRESSOR is a sound suppressor for your DD5V1. It is light weight and extremely durable, a great choice for use with your 5.56 Rifle.