For barrels 16" or longer 7.62 NATO, 10.5" or longer 5.56mm NATO, 10.5" or longer 6.8 SPC, 8" or longer 7.62x39, 7.5" or longer 300BLK
Scout-DT for 7.62mm NATO comes with a built-in patented rendition system to keep the suppressor from backing off during operation and mounts via direct connect 5/8-24 2B threads