The Dead Man’s Switch – Experimental Caseless Weapon(G11 Series – Modified Version)

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Authors: FLY-SF, DsW-4, PolandBall

Last revision: 16 Oct, 2025 at 13:03 UTC

File size: 647.03 KB

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Description:
This is a CE-Only unofficial expansion mod for DMS. Compatible with Muzzle Flash.

Adds fictional upgraded variants of the G11K2 caseless assault rifle and LMG11 light machine gun, based on HK (Heckler & Koch) designs.
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The G11K3 is equipped with a 40x46mm underbarrel grenade launcher. In-game, it retains the G11’s signature ultra-high burst fire rate (1800 RPM in-game) and a lower full-auto rate (450 RPM in-game), while increasing magazine capacity from 45 to 50 rounds.

No manual RPM adjustment is needed—the G11K3 automatically switches between burst-fire (1800 RPM) and full-auto (450 RPM) modes.

Due to RimWorld’s tick system, RPM values cannot include decimals (e.g., 1.1), so these rounded numbers are an imperfect representation of real-world performance.

The LMG11K2, meanwhile, is a light machine gun variant with a bipod, firing at 600 RPM and carrying 300 rounds. I’ve also included an automated turret version of the LMG11K2—a small testbed for secondary ammo functionality, featuring a 150+150 round capacity. 😉
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Neither design was particularly successful and underbarrel grenade launcher(UGL) in particular blatantly contradicts the G11’s original design philosophy, as RimWorld’s combat environment isn’t well-suited for such small-caliber weapons. Thus, the 4.73x33mm caseless development program ended before evolving into a new firearm family, though these predecessors helped pave the way for the later 5x50mm caseless project.
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As I’m not particularly knowledgeable about individual infantry weapons, some odd design choices may have slipped in. Feedback is always welcome!

The weapon sound effects are reused here with GrahammerTek’s permission.

XML: PolandBall
DLL: DsW-4
Textures: FLY-SF

Below is the real-world LMG11 prototype structure. Since many people are unfamiliar with this light machine gun, I’ve included some reference images here:

The LMG11 also features an extremely complex mechanism, with its rotary bolt system incorporating three separate chambers.

The LMG11’s ammunition is arranged perpendicular to the barrel, requiring a 90° rotation before feeding into the chamber. The proposed design features a 300-round capacity.


The LMG11 employs a rather unorthodox reloading method—inserting an entire 300-round ammunition block directly into the stock.