ok thanks guys for the replies. i guess ill just go with it stock for awhile or unless its very noticeable. But back to my question, is it worth it to get the advanced for the following upgrades:
- 8mm ball bearing bushings
- G&G "Strong Motor"
- Reinforced piston and metal piston head
- Bearing metal spring guide
- Silver Wiring
- Silver Electroplated 6.04mm tight bore barrel
= +$70 more than regular