THREAD PROTECTOR 1/2-20 TPI BLUED STEEL FOR 10/22® TAPER BARREL
Blued steel thread protector 1/2-20 tpi x .400 length. Thread protectors are smooth finish to match the OD contour of the barrel for a seamless appearance when installed. Thread protector has two flats for using a standard 9/16 wrench to remove when necessary.