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Precision Armament M4 Shoulderless Muzzle Thread Adapter (A02410) attaches 5/8X24 muzzle devices to 1/2X28 threaded barrels. The shoulder-less design allows the thread adapter to remain fully concealed under a muzzle device for a continuous streamline look. The M4 muzzle thread adapter is precision CNC machined from pre-hardened HTSR 400-series stainless steel bar for superior heat and corrosion resistance.
Note: This thread adapter is intended for more permanent installation of muzzle devices.