Fulton Armory HUB Mount Simplifies M14 Suppressor Threads, Not the Whole Job
If you've been stuck trying to suppress an M14-pattern rifle through a maze of proprietary adapters, Fulton Armory has a cleaner option worth knowing about.
Snapshot
GarandThumb.com reviewed Fulton Armory's new M1A/M14 HUB Mount, a $89.95 adapter that converts the rifle's old .595x32 muzzle thread to the common 1.375x24 HUB interface used by many modern suppressors. The piece is spec-based rather than range-tested, and it concludes the mount solves the thread problem but leaves several other system issues for the owner to handle.
Key points
- Fitment: The adapter works on 18.5-inch and 22-inch barrels, and also fits 18-inch models, though those require removing the mount for gas-piston cleaning.
- Build: It's hardened 4140 steel with a nitride finish, product number FA-M-186, with an optional $12.95 installation wrench.
- Front-sight tradeoff: Because the traditional M14 flash suppressor assembly carries the front sight, installing this mount can leave the rifle without its original sight mounting point, requiring a separate gas-lock front-sight base.
- Gas-system caution: GarandThumb notes the M1A lacks an easy external gas adjustment, and suppressed fire can increase bolt velocity and extraction force, so owners may need an adjustable gas plug or lower-backpressure suppressor.
- Alignment check required: Every installation should be verified with an alignment rod before firing, since misaligned threads or debris can cause a baffle strike.
Quick take
GarandThumb frames this as a well-designed thread adapter, not a complete suppressor conversion kit. For owners who already have a compatible HUB suppressor and a plan for the front sight and gas system, it's a fairly priced fix to a decades-old compatibility headache. Anyone expecting a bolt-on silencer solution should budget for the extra parts and inspection work first.
Read the full story: garandthumb.com