The Alaskan360(TM) Direct Thread (DT) ships standard with our 5/8x24 Universal Direct Thread Mount for those looking to cut length, weight and cost. The 1.375x24 HUB/Universal Threads allow you to easily swap out the mounts for other thread pitches or quick detach systems.With the Alaskan360(TM) DT, Rugged Suppressors offers the most adaptable, lightweight, multi-caliber suppressor that can handle hard days on the range, back country adventures and anything in between. The Alaskan360 provides outstanding flexibility as it's rated for pistols and subguns up to 9mm and rifles up to .338 Lapua. Following the Rugged tradition, it is durable and built for a lifetime of use. RUGGED AK360DT ALASKAN360 DTM SUPPRESSOR 5/8X24.