Firearms Talk banner
1 - 1 of 1 Posts

· RIP - In Memoriam
Joined
·
11,377 Posts
5.56/.223 AR barrels (if threaded) should always be 1/2 X 28. The 9mm's ae different and the .308's are different.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top