b'SUPPRESSOR ALIGNMENT CHECK RODSWith the appropriate Griffin Armament Suppressor Alignment Check Rod, an end user or gunsmith can verify alignment of the chosen suppressor and mount with the desired host. Installation and use of this tool is simple and should prevent baffle strikes or any unexpected issues. Our rods are Swiss machined to exacting tolerances and nearly perfect straightness to ensure that your investment is safeguarded from poorly threaded barrels or improper installation.Perfect Alignment Acceptable Alignment Poor AlignmentRod is perfectly centered in theRod isnt centered but does notRod touches the suppressorbore touch suppressor208'