One more of those what the hell is this treads.:)

It is a picture of two pieces of metal lying on a faux wooden table near a HP keyboard in Calgary Alberta ... Could have had better lighting, and the subject pieces of were not framed well in the shot. Do I win anything ?
 
The top one sort of reminds me of the bolt-stop/release for the P-14/M1917 series.

It reminds me of some bolt. I was thinking Winchester. But I've never seen that particular bolt that I remember. If indeed it is related to a bolt.
 
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Top one is a bottle opener for early Polish beer bottles.

Bottom one is an extended front sight that replaces the front band on a 98 Mauser. This is the proper one for people who want to zero their Mauser at 100 yards. It is also UPSIDE DOWN in the photograph.;)
 
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