THREAD PROTECTOR KNURLED - 1/2-28 tpi x .400 LENGTH OF THREAD - MATTE STAINLESS STEEL
The adapters are precision mamufactured on CNC turning centers to ensure the highest quality. They are knurled on the OD for a positive grip for easy on and off. Protect the threads on your guns with our quality adapters!
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. 
