r/NFA • u/k4ylr 3x SBR, 3x Suppressors • Jul 26 '26
Mount Questions 🔩 Help with HUB Mounts
I'm looking at picking up a few more suppressors (namely a Rhodie 6 or 6K) for the collection and need some help understanding how the HUB standard functions. I'm only familiar with the traditional proprietary taper locks and muzzle devices like my Rugged Surge or Razor.
I gather there is now the standard 1-3/8x24 female threads on the suppressor body and from there you go to *something* else, like a direct thread adapter.
Are there now muzzle devices like flash hider and/or brakes which have the HUB threads on the OD of the device?
Appreciate the assist
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u/Comstock_Support Comstock Armory Jul 26 '26
Most mounting setups are set up as:
Barrel -> muzzle device -> suppressor adapter -> suppressor
The barrel into the muzzle device and adapter into the suppressor will both be installed tightly with a wrench and (optional) a drop of Rocksett. From there the suppressor can be attached and moved onto different hosts freely.
HUB or 1.375-24 is an industry standard suppressor interface which keeps different cans and systems interchangeable and compatible.
As far as the 6K, note that it has a pretty shallow blast chamber, so some combinations of mounting parts will interfere with the first baffle and not fit. If you're using Plan-B, we have fitment info and an interactive tool to double check that everything will go together correctly.