Where to the casings fall? They should be to the right rear.
If they fall at your feet, the you have too heavy of spring. If they go to the next county, too light.
Once you have the weight then stick with it.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)