Read the description that is found in the history of the 1st Maine Cavalry then view the video to see what the firepower of three men armed with Henry rifles looks like by using the link
https://www.facebook.com/100001603964165/posts/2437176676345774?s=100001603964165&sfns=mo
https://www.facebook.com/100001603964165/posts/2437176676345774?s=100001603964165&sfns=mo