I have Mk2 metalwork available for 40UKP. Or just for postage if you return the Mk 2a metal.

It would be up to you to transfer the innards and handle across. If you want me to do it, then it's 60UKP labour and 75UKP shipping.

If you want a Mk 2 sled, I can exchange your Mk 2a sled for one - again, it will just cost you postage.