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Use this with a short barrel on your PS90 SBR build to attach your favorite muzzle device. Adapts the standard M12 x 1.0 LH threads of the PS90 to 1/2″-28 which is compatible with most 5.56/.223 muzzle devices.
PS90 Side Picatinny Rail with Hardware
PS90 Aluminum Sear
PS90 Delrin Magazine Rollers (Pair)
PS90 Extended Magazine Release
PS90 SBR – 10.4″ Short Barrel Rifle Kit with 1/2″ x 28 thread adapter
PS90 16″ Barrel
PS90 SBR – 10.4″ Short Barrel Rifle Kit with P90 style compensator
PS90 Extended Charging Handle