Thread Chase Tool - #12-32 UNEF Part No. 140600
Used to chase the threads of on the side of your M1A receiver to insure the threads are clean to accept our Scope Mount Hex Screw.
 
! Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).