CMMG 57DA53A Thread Adapter 223 Rem/5.56x45mm NATO FN PS90 Black Steel 1/2-28 tpi Tactical
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.
