While cleaning the slide and related parts today, I noticed something strange on the tip of the firing pin (that triangular tip on the end that goes through the breach face and impacts the primer). It looks like on one side of the tip, a large (relatively-speaking) section of outer layer appears chipped off and reveals a secondary metal or color. This isn't just discoloration. The pistol has around 900 rounds through it so far with zero issues. Should I be safe and just get a new firing pin? Should I contact Glock? Should I ignore? Thoughts?