Originally Posted by KDGJ
Mike,

That is typical for a WR barrel. I don’t know when they stopped using it. I don’t know what it was used for. I have the same thing on a WR droplock from the 1920s.

Ken

Absolutely correct. It’s a basically an old school WR signature feature.

Very surprised more folks here weren’t aware of this anachronistic feature on WR sxs barrels.