From Mk7's observations, the sights owned by RGG and the 7 or so I've got here to clean up and make good, it seems as though there are many, many variations. I'll tell you this, Parker Hale were not big on standardising thread form or sizes. The elevation lead screws seem to be coarse and fine, 5, 6 and 10 clicks per revolution........... It must be a nightmare to keep an old sight on the road given what we've got between us here. Please let us know what your observations are. Between you, me and Badger, I feel that there could be a rather large book on just these P-H 5 sights alone! Anyone got any of the 3/32 balls?

Incidemtally, I also found a load of P-H 7A's too. Any ideas where these will have come from? It could be a good thread...........
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