Silencerco piston 13.5x1 LH Listing ID: 3105424

For Sig sauer threaded pistols or barrels with M13.5x1 LH pitch. Manufactured by Silencerco so it has a lifetime warranty. Used for less than 100 rounds then sold the gun. Will also trade for .578x28 piston if you have one. Pickup in Carrollton.