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Parker Hale Whitworth
- Thread starter milcol
- Start date
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ugly old guy
40 Cal
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might be metric ... 9mm?
10mm is just a touch off of 3/8 inch.
I know 8mm and 5/16 are the same size.
10mm is just a touch off of 3/8 inch.
I know 8mm and 5/16 are the same size.
- Joined
- Jul 31, 2006
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If an English made gun, try 5/16 -18 Whitworth - which I believe is what the originals used (our British friends will have a more certain answer). If Italian made, try metric.
