How to change the power of Steyr H5A to 40J, 24J, and 16J

Shows how to covert between the 40J, 24J and 16J versions of the Steyr H5A. Chokes can be purchased from Krale for about $10 each. Very easy process! Begins showing how to change regulator pressure at 2 min. Shows how to change choke at 12 min.