[Keiichi]

You’d have to have the stuff chemically tested… it doesn’t look like rust.

Maybe some combination of factory lube schmoo, test fire powder residue, and humid storage?

 

[Keiichi]

Also this! Brace finally showed up.. View attachment 58460
View attachment 58459

Very nice. Which hinge is that?

 

[Keiichi]

Ah the SB. I neglected to try those out when I was putting mine together.

P50 Stamped - Approaching perfection

As you see it: 4lbs 11.2 oz Length Folded - 16” on the dot Length Unfolded - 24 5/8” Height - 8 1/2” Width Folded - 3 1/8” Width Unfolded - 2 1/8” LOP: 14 7/8” Holosun HS503GU Green Circle Dot BCM Gunfighter Mod 3 Vertical Grip REHV Arms Picatinny stock adapter A3 Tactical stock with Sig...

www.thektog.org

It looks like it might be reversible without interfering with the charging handle… if so it might be a better option than my Sig hinge for folks who want right side folders.