What gas piston AR-15 systems uses the fewest parts?
Posted: 9/26/2013 1:02:36 AM EDT
[#1]
Did not read
Posted: 9/27/2013 6:16:46 AM EDT
[#2]
I believe that Bob Davies designed and patented a short throw regulated piston system that uses only an op rod and reversible piston. POF and Hogan use this design in their rifles. I have a Hogan H-308 and it runs smooth as butta.