| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Michael Mosley | Sean Keegan | unknown revolver | snub-nosed, stainless, "Population 25" (S03E07) |
| Peter Stormare | Chance Gilbert | Remington 700PSS | "Wanted Man" (S03E05) |
| Peter Stormare | Chance Gilbert | Beretta 92FS Inox | "Population 25" (S03E07) |
| Peter Weller | Lucien Connally | Single Action Army | "Wanted Man" (S03E05) |
| Peter Weller | Lucien Connally | Smith & Wesson Model 19 | "Wanted Man" (S03E05) |
| Robert Taylor (II) | Walt Longmire | Coach Gun | "Wanted Man" (S03E05) |
| Robert Taylor (II) | Walt Longmire | Springfield M1903 | "Population 25" (S03E07) |
| Robert Taylor (II) | Walt Longmire | Smith & Wesson Sigma | "Counting Coup" (S03E09) |