colchester Sergeant Full Member Minuteman Jan 23, 2009 430 36 63 100 mi. east of Camp Perry May 31, 2011 #1 May 31, 2011 #1 Couple of questions on ar-15 barrel tenon. How much clearance between bolt nose and breechface? What are the details on the chamfer on the breechface, what angle and how deep does the chamfer go? TIA
Couple of questions on ar-15 barrel tenon. How much clearance between bolt nose and breechface? What are the details on the chamfer on the breechface, what angle and how deep does the chamfer go? TIA
