Astros to keep pistol on Colt .45s jersey

106 Colt 45s Stock Photos, High-Res Pictures, and Images - Getty Images

When the Colt .45s became the Astros and the origins of other Houston sports team names

What does Houston Astros stand for?

Houston MLB team changes from Colt .45s to Astros on Dec. 1, 1964 - ABC13 Houston

Houston Astros Announce 60th Anniversary Patch on Caps, Jerseys in 2022 – SportsLogos.Net News

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Houston Colt .45s,: Stats, Pins/Online Museum, Trivia, Discussion and more

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More info on Colt .45s jerseys on sale to the public, plus thoughts on old ballparks: Charming? Or a “dump”?, by MLB.com/blogs

Houston Astros Wear Throwback Colt .45s Jerseys on Team's 50th Anniversary, News, Scores, Highlights, Stats, and Rumors

Bitter beginnings: The untold story of how the Rangers-Astros rivalry was born

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