You can't just buy a complex machine like the FX Impact and expect it to be perfect for YOUR purposes right out the box. These are the first steps I take when setting up my PCPs prior to taking that first shot.

Index:
0:00 - Intro
1:23 - What is my purpose for this M3?
3:00 - Initial Inspection
3:47 - "Make it Your Own": Grip, Trigger, Ergonomics
9:10 - Pellets or Slugs? Pick your Port & Probe
10:40 - Choosing a Valve Return Spring: Why you need stronger springs with shorter barrels.
15:19 - Barrel Preparation
21:47 - Matching a Bottle to your Barrel
23:50 - Picking a Silencer
26:40 - Some thoughts about Gauges
29:40 - Picking a Scope