>> of course, for garland richards, fort chadbourne is more than an old army fort.still the place that first unleashed his imagination while fighting indians on the frontier. you can tell he hasn't lost that childhood enthusiasm as he rolls up an antique cannon for my visit. this is a serious cannon. can you tell me about it? >> this is a model of an 1835 12-pounder mountain houser. this is the smallest of artillery pieces but a very, very powerful gun. it could fire a 12-pound shot about 1,000 yards. okay. your first command is "load." >> load. >> everything you see them doing right there is the same thing they did back in the 1800s. >> ready. fire! literally holy smokes. that was amazing. >> the first time that we ever raised the flag in the middle of the parade ground, i realized, "this is the first time that the flag has been raised in over 125 years." i was overwhelmed. i'm a proud texan. i'm a proud american. and this is my contribution back to america. >> garland and roy loved collecting those old guns that won the west. but they never competed over a firearm