Flintlock parts?

[fyrffytr1]

Let me preface this post by saying that I have retired from the work force for the third and last time. Now that I have all the time in the world I decided what better way to pass it than by posting iron items here hoping for an ID. I found these parts a while back at a native American site that was burned in 1817-18 by the state militia in a terrible case of mistaken identity. The militia thought this was a hostile tribe when, in fact it was a friendly one who had given aid to Andrew Jackson when he came through here just a few months earlier.
Anyway, these four items were found at one house site. I am pretty sure the piece at the top left is a "cock" from a flintlock gun that the native Americans were known to have. The next piece I have no idea about. The third piece may be the hammer from a small percussion gun. It has a pivot point at the bottom and the tang on the side was more pronounced before I used electrolysis to clean it up some. The fourth piece I thought might be a part of a trigger guard but the oblong hole makes me doubt that. It is asymmetrical with a flare at the end opposite the hole and appears that it may have broke at that point.
Thanks for any and all help.

 

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[fyrffytr1]

More pics of the second and third pieces.

 

[Charlie P. (NY)]

Original image the upper left is definitely a cock from a flintlock. Upper right possibly pat of the internal mechanism. Hard to say. The other two (center & bottom) I'm not seeing flintlockish pasts.

 

[Older The Better]

I think I found the same thing on Saturday it was found near a ramrod thimble for a northwest trade gun and a double sided awl. My native site dates to the 1830’s.
My point is your item was found near gun parts and so was mine, i don’t know what they are but I’d say there’s a good chance they are gun related

 

[A2coins]

That would be really cool to know a little electroysis is in order

 

[nsdq]

Cock, internal part bridel that holds sear long piece is from stirup, and maybe frizzen spring