The Griffin Armament Optimus 6 Dual-Lok is a modern, full-auto rated 6mm rifle suppressor built for precision shooters and modern sporting rifles chambered in cartridges up to 6mm / .243 caliber. At 6.68" long and constructed from 17-4 stainless steel with a durable black Cerakote finish, it delivers serious sound and flash signature reduction in a compact, mission-flexible package.The Dual-Lok mounting system accepts Griffin's Taper Mount and Plan-B muzzle devices, giving the shooter fast, repeatable attachment across multiple host rifles. Full-auto rating and robust stainless construction mean the Optimus 6 can take sustained fire from short-barreled 6mm ARC, 6mm Creedmoor, or 6 GT builds without concern.Whether you are running a precision bolt gun, a gas-gun PRS rifle, or a 6mm ARC hunting setup, the Optimus 6 Dual-Lok delivers professional-grade performance. NFA / SOT item Form 4 transfer required.