QPQ Black Nitride Stainless Steel Thread Protector for Pike Arms' 10/22® threaded target heavy barrels. Thread protectors are .920 OD and are threaded 1/2x28 TPI with .400 length of thread. Thread protectors are smooth finish to match the OD contour of the barrel.
This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. 
