GETTING MY KNIGHTS ARMAMENT SR-15 16 UPPER TO WORK

So, maybe it will actually be a lot more correct to state "inside piston" for immediate fuel impingement and "exterior piston" for short-stroke piston operation. But, we are stuck With all the terminology in vogue and wish to move further than semantic pettiness.ETA: The Minion introduced up a good place. The splatter within the glasses is a good v