The Griffin Armament DUAL-LOK Stealth Flash Hider integrates 60 machined mounting position splines, which is doubled by the mount's two locking positions, hence the double entendre DUAL-LOK. How is this achieved? The mounts' two locking positions are machined out of phase of one another by 3 degrees which provides the 120 locking positions and ensures a tightly mounted and locked suppressor. When the suppressor is installed, only one of the two positions will function by allowing the spring to push the locking collar rearward over the splines.Constructed of 17-4 PH stainless steel, the DUAL-LOK Minimalist Stealth Flash Suppressor has 3 flash suppressing tines which have anti-reasonance features integrated. The Minimalist Stealth Flash Suppressor weighs 2.4 ounces, substantially lighter than that of most competing flash suppressor mounts. The lighter weight reduces suppressor system weight while making the host firearm barrel lighter and more responsive to the shooter. T...