A case of an L59 would never get to court if you took advice. A very similar case of an L60 (a DP L1A1) was discontinued after advice from all concerned including the MoD. And was returned to the owner even though it never had a deact cert. The official DP's are neutered to well BEYOND the spec of deactivation.

Likewise, L54 DP Brens were on sale in the early 80's, even before there was such a thing as a deact spec.

But just make sure that they are REAL L series DP's and not some imaginary home made idea of a DP

And European spec deacts are also lawful too. To say not is a breach of European free trade!