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HUB, taper, and KeyMount are not three names for the same connection. They describe different suppressor-side paths. A muzzle device can have the correct 1/2-28 or 5/8-24 barrel thread and still be wrong for the suppressor the customer owns. The clean selection process has two halves. First, match the muzzle device to the firearm's thread and indexing surface. Second, match the muzzle device to the suppressor or adapter ecosystem. Start With the Barrel Thread Common shoulder-thread hosts use 1/2 …

The NEW Taper Mount muzzle devices from JMAC Customs! Here at JMAC Customs, we like to offer a variety of options for our customer’s firearms. For years, we've offered suppressor compatible muzzle devices such as KeyMount, 51T, and our X-Series direct thread devices. We're now happy to introduce our Taper Mount muzzle devices. These devices utilize the “Plan B" pattern threads and taper, and are compatible with most HUB compatible (1.375-24) suppressors using our TA-90T Taper Mount …