The Gray Man - Internet Movie Firearms Database - Guns in Movies

SIG-Sauer P220 pistol series - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

In 'The Gray Man,' it's lawyers, guns, and money, only without the lawyers and money - The Boston Globe

Brügger & Thomet APC9 - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Top Guns From The Gray Man - The Shooter's Log

AR-15, Gray Man Wiki

The Gray Wolves (Serye volki) - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

The Gray Man - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

The Gray Man - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

The Gray Man - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

The Gray Man - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

The Gray Man - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Internet Movie Firearms Database' that thoroughly covers the firearms that appear in movies and animation - GIGAZINE