This Griffin Armament DUAL-LOK HUB Mount interface allows compatibility between SilencerCo Charlie mount (ie. Saker, Velos) suppressors and Griffin DUAL-LOK muzzle devices. A quality QD system should be accurate, robust, reliable, require minimal training, and be free of wear prone metal on metal teeth or ratchets, thereby guaranteeing a longer trouble free service life with minimal maintenance needed. Griffin's DUAL-LOK QD mounting system was designed around these objectives. What makes this mounting system unique? It is a combination of desirable mechanical features and performance characteristics in a lightweight, compact system. DUAL-LOK combines a precision, sealing, and alignment taper interface with a stub ACME thread, and provides ease of secure attachment. The locking collar, spring and Charlie threaded collar are semi permanently installed to the mount via factory press splined, stainless steel, taper pins. This locking ring includes three anti-rotation splines which...