Some information on this issue supplied by Tom Lammers and the Atlas/Timely discussion list.
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Giant-Size Kid Colt (Marvel, 1975 series) #3 (July 1975)
in Kid Colt Outlaw (Marvel, 1949 series) #85 (July 1959) [as "Duty Trail"]
in Kid Colt Outlaw (Thorpe & Porter, 1950 series) #53 (1960)
in Gunsmoke Western (Marvel, 1955 series) #62 (January 1961)Text story with illustration. Tom Lammers and the Atlas/Timely list dispute the Maneely credit. [MN 10/2007]
from Giant-Size Kid Colt (Marvel, 1975 series) #3 (July 1975) [Confirm: direction of reprint]
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)
in Giant-Size Kid Colt (Marvel, 1975 series) #3 (July 1975)
in Kid Colt Outlaw (Marvel, 1949 series) #142 (January 1970)The word Gauntlet is mis-spelled in the title as Gantlet.