Wildcat Well-Known Fanatic Joined Jul 15, 2012 Messages 739 Location Wichita, KS Aug 24, 2014 #21 I have a carbine AA piston system on my SBR and it's run like a champ. The only reason I installed it was the ability to set it for a suppressor and not gas blow back with a suppressor.
I have a carbine AA piston system on my SBR and it's run like a champ. The only reason I installed it was the ability to set it for a suppressor and not gas blow back with a suppressor.
Jonathan Waits Well-Known Fanatic Joined Dec 25, 2012 Messages 562 Location Edmond, Oklahoma Aug 24, 2014 #22 cool beans