1. Replaced the hammer ( did not like the safety in the hammer)
2. Replaced the trigger with a short trigger ( fits my hand better)
Removed the billboards ( slide was no flat but a little wavy, removed the waviness with a stone and polished)
4. Replaced the grips
5. Put a magwell on it and polished it out
6. Replaced the Bushing with a thick flanged bushing
6. Replaced the end cap with a thick fanged end cap



Shoots well never a hick up. Shoots straight