Some new test data for everyone...
Photo 1: Stock AGM GBB M4 with Inokatsu hop-up rubber
Results: 3.15" group at 25 feet
Photo 2: AGM GBB M4 with PDI barrel, G&P hop-up chamber and Inokatsu hop-up rubber
Results: 1.75" group counting the flyer at 25 feet. Under 1.25" with the flyer tossed out.
