Dead Air KeyMo GOV HUB Adapter - 1 3/8x24

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Dead Air KeyMo Adapter for HUB Based Silencers 1 3/8"-24 Steel Black

ARMASPEC HUB Thread Adapter Fits 1 3/8"x24 Externl SS/Blk

BOSS BOSS 3/4X24 STAINLESS DIRECT THREAD HUB ADAPTER BLACK MNT-34-SS-BLK

Rearden Helios QD Atlas Thread Adapter 1-3/8-24, Black

Dead Air Wolfman KMQD Suppressor Kit 9mm w/KeyMicro ADPT & KeyMicro 1/2-28 Brake Black

SILENCERCO Osprey Micro ADAPTOR 1/2X28