Maple Leaf Set chambre Hop up pour 1911 TM, WE, KJ Works

I installed the chamber in my Chrome WE 1911, to fit the chamber i needed to grind down some of the outer barrel, after that the chamber fitment was pretty loose. Note that the chamber does not come with an adjustment Wheel, my WE adjustment wheel did not fit into the chamber, its a little bit too tall and would not turn when the chamber was tightend down. I also noticed that after installing the chamber and a maple leaf barrel and hopup bucking that the pistol had lost about 0.3 joules of energy, for now i put the original hopup back in...