My Pharr stocker 54 MSR trigger would not set the firing pin. I discovered the trigger was loose, and amazingly the rear screw is MIA. Funny because it can’t fall out.
Anyway I need a read screw, any one know the size? I guess fastenall may have one, or another source?
Thanks

According to the Anschutz parts PDF it should be an M5 x 10 socket-head screw.

That's assuming they haven't changed designs along the way. The PDF I have is from 2016.

Thanks for the information. I pulled one from another MSR, and it is a slotted screw.
I have other walther / anschutz metric screws. Stuff I have is off by a hair bigger in diameter.
So I'll sheck out that size at fastenall. I'll have the other screw with me to confirm.

My spare screws are too large in diameter.
I took a screw out of a Sako factory M85 scope ring. That was really close. Same diameter, but the pitch is off a smidge. It would screw in a couple turns then bind. I think the Sako screw may be the M5x10? Anyway I'll call Anachutz NA, and Neil Step tomorrow.
I have other 54 rifles, so I can borrow a screw from one of those.

Does it look like the picture below (small one). If so I have one I can spare. Message me if interested.

I appreciate the offer. The screw on the left looks correct. It is between 3 and 4 mm in diameter. Left allen is 3, right is 4.

These are the OEM ones. I bought a bunch of misc. Anschutz parts 15-20 years ago on ebay. These are part of it. I've used a few of them over the years.
PM responded to.