Does any one have any experience with these?

and are they worth it for a restoration project or are they best left original?

(about half way down)
Firearms, Replica, Deactivated Antique - SOUTHERN CROSS MILITARIA PTY LTD

(3rd from the top, pretty sure it's the same seller)
FirearmSales.com.au :: Firearms For Sale & Firearms Directory Search Results

I believe the southern cross militaria guy bought them from here but I can't be sure

Military Antiques, Military Collectibles and Militaria British EIC P-1771 Brown Bess Flintlock Parts Set: 1770/80?s Dated Marked Lock IMA-USA.COM

This is mainly for a little fun and a wall hanger. Also i'm Australianicon so I can't buy a repro for a wall hanger because they need to be secured
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