Option 1 (patcher):
Run the small patcher and target the game file as instructed.
Option 2 (trainer, supports Microsoft Store):
Unpack the trainer archive with software like 7zip - the password is pcgw Launch the game Launch the tool Press the keys as instructed to remove the black bars and enable FOV modifications, then manipulate in real time. Tested the latest GOG version at 2560x1080 and 7680x1080.
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Backup repository.
 

The tool allows to change the first-person FOV in real time and exceed the limit of 120. For convenience, it is also bundled with existing solutions, including FOV fixes and the cutscenes fix for ultrawide resolutions, so not all of the functions may be compatible with an already patched exe.
Download the archive and unpack it with software like PeaZip using the password pcgw Launch the game, followed by the tool. Press the hotkeys as instructed to enable or disable the fixes in real time. All trainers containing CE components may trigger some anti-virus software.
Contains the interactions FOV fix and ultrawide fixes based on killer-m's work, as well as an FOV check fix from Wintermance.

Tested the latest Ubisoft Connect version at 2560x1080, 2560x1440 and 5760x1080.

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Compared to the existing solutions from WSGF made to remove the black bars appearing in the game at 21:9 and wider resolutions, this tool perfectly matches the vertical field of view of each scene to that of 16:9, also allowing to see and adjust the current FOV in real time.
Download the archive and unpack it using the password pcgw Launch the game, followed by the tool. Apply the fix before the main menu appears or at the main menu before loading into a game. All trainers containing CE components may trigger some anti-virus software.
Inspired in part by killer-m's work.
Tested the latest Steam version at 2560x1080, 3840x1080 and 5760x1080.

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TL;DR
The Modern Warfare Remastered - Singleplayer FOV Fix (MWRSPFovFix) is a mod for Modern Warfare Remastered. It allows changing the FOV of the singleplayer campaign, including the size of the weapon model.
Download Sources:
PC Gaming Wiki Quick Start Guide:
Extract all files to the game’s installation folder (e.g. "C:\Program Files (x86)\Steam\steamapps\common\Call of Duty Modern Warfare Remastered\"). Start the MWRSPFovFixGUI.exe to configure the mod (might require .NET runtime 3.1.0). Start the game as usual (e.g. through Steam). Configuration
Note that the game uses two FOV values: A vertical base FOV and a scaling factor; which also affects the “size” of the weapon. The effective FOV is calculated by using both of these two values.
By default, the game uses a base FOV of 65.0 and a weapon scaling of 1.0.
Features
The features of this mod include:
Option to set the vertical FOV to almost arbitrary values Option to set the FOV scale of the weapon model Simple to install and use Easy to configure via a GUI and ingame bindings Supported Versions
This mod is designed for the latest version of the game and might not be compatible with older or modified executables!
Steam

TL;DR
The Max Payne 3 - FOV Fix allows changing the base FOV (field of view) of Max Payne 3 without breaking cutscenes or bullet/kill cams.
Download Sources:
PC Gaming Wiki Nexusmods Quick Start Guide:
Extract all files to the game’s installation folder (e.g. "C:\Program Files (x86)\Steam\steamapps\common\Max Payne 3\Max Payne 3\"). Start the MaxPayne3FovFixGUI.exe to configure the mod (might require .NET runtime 3.1.0). Start the game as usual (e.g. through Steam). Features
Set base FOV for aiming and looking around Preserves native FOV scaling of the game Does not break cutscenes or bullet/kill cams Simple to install, use and configure Supported Versions
This mod is designed for the latest version of the game and might not be compatible with older or modified executables!
Steam