Need help identifying screw

[ddruck]

I found this screw on my shooting mat the other day. I can't figure out where it comes from. It's about a half an inch long and has a 1/16" hex head and has wear on the shaft, but not on the end.

It's only threaded at the head. I thought it might be a screw that locks down the turrets on a scope but it's not. But that's about what size it is.

I was shooting both bolt action rifles and AR-15 types. I don't think it's any sort of a standard part on an AR-15.

I don't think it fell out of it trigger cartridge, though I guess that's possible. I haven't noticed any problem with any triggers.

Any ideas?

 

[Bucklowery]

Did you check trigger guard pins on ar

Thanks

Buck

 

[Bob Wright]

Maybe from either front or rear sight of your AR? Just a WAG....

 

[Frog4aday]

I'm just guessing, but since you said AR-type rifles and I have an AeroPrecision upper that has a threaded bolt catch, I thought I'd look it up and this really looks similar to your item. Bolt Catch Release pin perhaps? (You'd notice the bolt release would be missing I would think!)

 

[ddruck]

Thanks... good ideas... but nope.