Knurled Thread Protector For 9mm Barrels In 13.5 X 1lh

Machined Thread Protector for your Tactical 9mm pistol with 13.5 x1 LH threads. This carefully machined part is perfect for protecting your Sig Sauer P226, P250, Glock or other 9mm barrel threads from damage and the elements. It will keep the M13.5 X 1 Left Handed threads clean and precise for your suppressor.