Prototype 53 Bullpup

v1.0.4·Updated 2025-12-14

Found in some crate and sold on the shadiest of marketplaces, Craigslist.

About this mod Author’s original text

Not sure who in the bureau of innovation made this but they probably killed him for it

Some wacky looking relic of firearms design and an afront to god himself. 5.56 AR receiver based bullpup with included pop up red dot with 3 rails and a decently fast firerate with included carry handle magnifier/scope (its electrochromic so you can turn the reticle off!) and laser module (We dropped it in shipping and broke the bulb in the light:()

Credits

Me

Install & use Install: BepInEx plugin

  1. The archive from playbuff is the mod itself — usually a BepInEx plugin (a .dll or a plugin folder once unzipped).
  2. Recommended: use a community mod manager (such as r2modman) — pick this game, import the mod, and the manager sets up BepInEx and its dependencies for you.
  3. Manual route: install the BepInEx loader in the game folder, then drop the unzipped .dll or plugin folder into BepInEx/plugins/.
  4. Launch the game — the BepInEx console logs every plugin it loads; seeing this mod in the log means it is installed.

Mods with listed dependencies need those installed too, or they will not load. Options are usually changed in-game or in the plugin's config file.

Dependencies

Install these first, or the mod will not work:

devyndamonster-OtherLoaderWFIOST-H3VRUtilitiescityrobo-OpenScripts2

File & checksum

Filename
Prototype_53_Bullpup-1.0.4.zip
File size
143.6 MiB