nosecone av bay

Any suggestions for repairing a fiberglass nosecone with a chipped tip? The damage was from some of the smaller kids handling it at a local science show, not a ballistic landing. As you can see from the photos, it's chipped through the fiberglass layer. Some ideas I had were to "build" a tip...

I'm building three 4" diameter Binder Design kits, including an Excel Dual Deploy... However, I'm looking to build it with a baffle located at the normal AV bay location, and I want a redundancy for the ejection charge. This poses a problem... If the baffle occupies the space that the AV bay...