Cmmg's ps90 thread adapter is best used with a short barrel on your ps90 sbr build.It adapts the standard m12 x 1.0 lh threads of the ps90 to 1/2"-28 and is compatible with most 5.56/.223 muzzle devices.
Finish: Black Type: Thread Adapter Model: Thread Adapter Size: 223 Remington/5.56 NATO Material: Steel Thread Pattern: 1/2"-28 tpi
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