Our Barrel Thread Adapter for AR15 Barrels – 1/2-28 Stainless allows you to mount any 1/2-28 end-of-barrel accessory on your AR15 non-threaded 3/4″ barrel—including muzzle brakes, flash suppressors, compensators, sound suppressors, fake flash hiders, fake suppressors or any other legal end of barrel device with this highest-quality barrel thread adapter.
Made from stainless steel and easily attaches to the factory-finished 3/4″ plain muzzle using set screws. Comes in silver.
Thread Adapter Features
- Threads: 1/2-28 TPI
- Thread Length: 5/8″
- Through Bore: .25 caliber and smaller
- Stainless steel with MIL-SPEC black oxide finish for years of trouble-free service.
- Fits non-threaded 3/4″ barrels that measure exactly .750 inches. If it does not…go HERE
- Slip-on design is held in place with two set screws that remain flush when tightened.
- Less expensive than going to a machinist or gunsmith to thread your barrel.
- Install it yourself in seconds and remove it just as quickly.
Note: If your rifle has a front sight that is more than 1″ behind the muzzle, this thread adapter will still fit.









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