Dead Air's Lazarus 6 is a state-of-the-art 6mm silencer that uses their excellent, patent-pending Triskelion(TM) Gas Management System that was designed for exceptional acoustic performance and minimal back pressure. It is made using Haynes(R) 282 material and it employs Dead Air's 3D printed Triskelion(TM) Baffle Technology to create a durable, lightweight, and quiet suppressor. This gives the suppressor enhanced thermal management system to help conduct heat from the core to the outer skin to help it cool quickly and maintain proper performance under extensive shooting situations. The Lazarus 6 is HUB compatible for modularity, allowing you to use a variety of industry mounting systems. This gives you flexibility for mounting the Lazarus 6 using multiple methods. The Lazarus 6 includes a flash hider front cap and is compatible with all R-Series front caps. It is designed for 6mm and below and is full-auto rated. All silencers require the purchase of a $200 Federal Tax Stamp. Dead Air Lazarus 6(TM) 5.56/6MM GMS(TM) Low Back Pressure Silencer w/ KeyMo(TM) Adpater & DA115 1/2-28 KeyMicro 3 Prong FH Black