That's why I said that it's an early - 1965 gun. There's more to it than this of course but some of these 'African' nations wanted their Mk2 guns converted and were quoted prices. When the stuff arrived, it was truly horrendous........ and I mean DIRE! But the prices were fixed and we were trying to keep them on side (1965 and all that don't forget.....) so they were rebuilt regardless of the cost even to the extent of depleting our own Mk2 stocks to replace the sheer tat if necessary. So to save costs, except for the actual conversion, if they came in as Mk2 .303" guns, they went back as 7.62mm Mk2 guns albeit as L4A3's I write about this whole saga in the Bren book. The problem was that instead of learning from the mistakes, we fell for it time and time again.