3D Metal printed Inconel construction delivers durability and a high heat tolerance.Attachment is easy, using the included ZEROED SVD Muzzle Brake or a mil-spec A2 flash hider, slide the DEFCAN over the muzzle device, close the locking gate, and twist to ratchet snug.HUB CompatibleNew suppressor mounts and muzzle devices are always on the horizon. Whether your muzzle device needs might change or you just like the looks of something else in the future, your DEFCAN will be up for anything new. Threaded with the industry standard 1-3/8×24 HUB system, switching to a different QD mounting system is as easy as unscrewing the SVD/A2 mount and attaching your preferred HUB mount.