Maintenance - Tools
It is super important that you remember to look after and maintain your weapon and there are actually several good reasons for that.
Make sure bolts and screws are tightened and checked.
Use silicone oil. This must be applied to all moving parts.
Clean inside and outside of dirt and grime.
If you remember to do these steps, you will experience fewer errors and a better weapon in the long run that maintains both dignity and accuracy.