Anybody ever seen this AR upper forging mark?

[The Resister]

On AR uppers there are forging marks that tell you who made your upper. I got one from PSA that I've never seen. I can find no info on it. It looks like a letter M with a screw (?) going into the middle of the M. I would ask PSA, but that would mean waiting until Hades freezes over. Thanks

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[Unka-Boo]

Marietta forge, iirc

 

[deadeye]

On AR uppers there are forging marks that tell you who made your upper. I got one from PSA that I've never seen. I can find no info on it. It looks like a letter M with a screw (?) going into the middle of the M. I would ask PSA, but that would mean waiting until Hades freezes over. Thanks

Sure it isn't a diamond above the M , this would be Mueller Industries.

 

[Stomper]

The M is for.... mystery.



not really

 

[deadeye]

The M is for.... mystery.



not really

Then It would be a Scooby forge.

 

[The Resister]

Sure it isn't a diamond above the M , this would be Mueller Industries.

That is a possibility. The diamond may just look like the head of a screw. Never having seen a Mueller Industries, it could be.

 

[deadeye]

look like this?

Mueller Brass Company

www.muellerindustries.com

That is a possibility. The diamond may just look like the head of a screw. Never having seen a Mueller Industries, it could be.