Product Details Dead Air Armament KeyMo HUB Adapter 81012816019 Expand the modularity of your suppressor with the most popular mounting system. Swap your direct-thread fixed mount to the KeyMo adapter for a faster and more repeatable attachment method. The KeyMo Adapters are compatible with any of our KeyMo and KeyMicro muzzle brakes or flash hiders. To mount your suppressor using a KeyMo adapter your host firearm must be equipped with a KeyMo or KeyMicro muzzle device (sold separately). KeyMo HUB Adapter (DA428): Dead Air KeyMo Adapter for HUB Socket Silencers (1 3/8-24). Compatibility: Nomad series Nomad Ti series Primal Sierra 5 Wolverine with HUB adapter Specs Part #: DA428 Model: Key-Mo HUB Compatibility: Nomad series / Nomad Ti series / Primal / Sierra 5 / Wolverine with HUB adapter Material: 17-4 Stainless Steel Finish: Black Nitride and Cerakote Weight: 4.30 oz - HUB Adapter: Nomad/Omega Mount Width: 3.9000 Length: 6.0000 UPC: 810128160193 - Previously: 810042341197 Height: 2.5000 California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov