Quote Originally Posted by tim56 View Post
Black powder is an explosive for which you need a licence and approved storage. Pyrodex is a substitute for which you don't need a licence or special approved storage. It works just the same and is used by volume the same as b/p. I've used it but to be honest I don't know anyone with a b/p licence who uses it. Tim
That's the thing, with Pyrodex, you don't need a b/p licence to use it!

Any supplier of Pyrodex should still satisfy themselves that you hold a valid SGC or FAC before selling to you. same-same as Primers & percussion caps.