This 4-cassette boxed set was issued in 2002 by the HighBridge Company (HBP 89049).
One of the cassettes has two The Six Shooter programs, but the titles aren’t mentioned on the insert card.
There are titles in the cassette itself.
Gabriel Starbuck, originally broadcast on November 22, 1953, is on the A-side.
On the B-side is Holdup at Clay City, also known as Ben Scofield, which was broadcast on November 1, 1953.