This episode focuses on the 1873 Trapdoor Springfield carbine and the .45-70 cartridge. The .45-70 trapdoor was used for 20 years, and was in a number of famous campaigns including Custer's Last Stand at the Little Bighorn.
The Adler Pistol
Ruger LCR 22 LR
Norton DP-75: Titanium Plus German Police Pistol
Sig MPX Review Part 2 - Shooting as a Pistol
SHOT Show 2016: Walther PPQ .45