Hartley pencils per Jim Vadeboncoeur Jr via atlastales.com. Rule inks per Nick Caputo.
Coloring credit per Stan Goldberg.
Bernstein script per Martin O'Hearn: http://martinohearn.blogspot.com/2016/09/the-bernstein-black-rider.html.
Shares the same job number as the Kid Colt Outlaw (Marvel, 1949 Series) #14 (May 1951) story, "The Boy Who Hunted Kid Colt!"
Origin of Gunhawk.
Script credits from Michael J. Vassallo, from the records of Clayton Martin via Clayton's family (posted to the Timely-Atlas-Comics, a Facebook group, on 12 April 2020).