Please take what I'm about to say as tough love and not having a go...
When you apply for a FA certificate you MUST demonstrate good reason to hold and use FA's. This is a go / no go question. No good reason, no further consideration of your application.
If your good reason is because you have joined a club who target shoot, then your local Police Authority will, if happy, grant you a FA certificate for use in connection with Tgt shooting. The LPA will write on your certificate what you can use your FA's for. To use your FA's outside of the conditions on your FA certificate is an