Sterling simply weren't geared up to use ex Fazakerley flanged mag housings as the fixing method differed, i.e; flanged. The basic housing was a very simple and quick item to make. The shape was pressed out in two hits and power-wrapped over an automatic former. The Government were desperate to keep the strategic Fazakerley arms factory open, seemingly at all costs. Alas, no amount of help could help the industrial unrest situation at the strike bound Fazakerley open. Same as many other factories there, before and since..........