Semi-Auto Shotgun

Details

At 20 weight each it eats carry capacity fast, so bring a mount or park a chest nearby. At 121,200 gold it is worth real money to a merchant.

Semi-Auto Shotgun Crafting Recipe

Refined Ingot×75

Polymer×30

Carbon Fiber×15

Ancient Civilization Parts×2

Crafting it takes 122 materials across 4 types, and the bottleneck is almost always the 75× requirement — line that up first and the rest follows.

Where to Find Semi-Auto Shotgun

Semi-Auto Shotgun is not something you find lying around — you craft it, and the recipe is below.

Ammunition Semi-Auto Shotgun Uses

Semi-Auto Shotgun fires Shotgun Shell, and nothing else — running dry mid-fight is the usual way this weapon lets you down, so keep the recipe unlocked before you rely on it.

Ammo	Yield	Craft cost
Shotgun Shell	×10	Refined Ingot ×2, Gunpowder ×3

Schematics That Unlock Semi-Auto Shotgun

Semi-Auto Shotgun is not learned from the Technology tree — you need a schematic for it. One schematic grants the recipe, and they are world loot — chests, boss Pals and the late-game pools — rather than anything you research. Higher-rarity copies of the same schematic raise the quality of what you end up crafting.

Schematic	Rarity	Where it comes from
Semi-Auto Shotgun Schematic 2	2★	Snowfields, Enemy camp boss stashes in the Snowfields, Enemy camp boss stashes in the Sakurajima +3 more (grade 5/6) · Supply drops in the Mount Obsidian (1.69%)

Alternatives and Upgrades

Step up from here and you get Semi-Auto Shotgun at 253 attack; step down and it is Core Eject Shotgun at 230. That gap is the honest measure of whether an upgrade is worth the materials right now.

Semi-Auto Shotgun253Core Eject Shotgun230

Other weapons at a similar tier, for when you want to weigh this against the rest of its class:

Pump-Action ShotgunDouble-Barreled ShotgunMakeshift ShotgunCore Eject ShotgunPump-Action ShotgunSemi-Auto ShotgunSemi-Auto ShotgunPump-Action ShotgunDouble-Barreled ShotgunCore Eject ShotgunDouble-Barreled ShotgunMakeshift Shotgun