| Alex Veadov |
Sergei Mishnev |
AKM |
"Twenty Klicks" (S12E01), mocked up as AK74M |
| Alex Veadov |
Sergei Mishnev |
Mk 12 Mod 1 Special Purpose Rifle |
"Check" (S12E11), suppressed |
| Alex Veadov |
Sergei Mishnev |
Glock 19 |
"Cabin Fever" (S12E15) |
| Diane Neal |
CGIS Special Agent Abigail Borin |
SIG-Sauer P228 |
"The San Dominick" (S12E05) |
| Jay Ali |
Omer Malik |
Glock 17 |
"Status Update" (S12E18) |
| Josh Randall |
Commander Ryan Albright |
Heckler & Koch P30 |
"Parental Guidance Suggested" (S12E06) |
| Lobo Sebastian |
Renaldo Aranda |
Vz. 61 Skorpion |
"The San Dominick" (S12E05) |
| Marisol Nichols |
ATF Special Agent Zoe Keates |
Glock 26 |
"Parental Guidance Suggested" (S12E06) |
| Mark Harmon |
Special Agent Leroy Jethro Gibbs |
SVD Dragunov |
"Twenty Klicks" (S12E01) |
| Mark Harmon |
Special Agent Leroy Jethro Gibbs |
F-1 hand grenade |
"Twenty Klicks" (S12E01) |
| Mark Harmon |
Special Agent Leroy Jethro Gibbs |
M1911A1 |
"Parental Guidance Suggested" (S12E06) |
| Stephanie Jacobsen |
FBI Special Agent Leia Pendergast |
Smith & Wesson Bodyguard 380 |
"Choke Hold" (S12E04). |