bubba,
for problem number 1, get a job for the summer doing construction work or landscaping, pens and computer keys do not toughen the skin
On the serious side, try some different grips Hogue or the CF grips that curt has for sale in the classified section.
If you run the same spring too long you will risk failure and damage to the gun.
+P is not to be fired in the R9 and will void your warranty, pound your gun and provide little noticeable difference in stopping power from a R9 barrel. And if your bleeding firing standard pressure ammo, I would think +P would be the last thing you would need.
Maria is the one to call about purchasing items from the store, as others have stated.
And last, your extensions are on the way, thanks for the order.
John