Fort Scott Munitions 9mm Luger TUI Self Defense Subsonic 125gr Solid Copper 20rd Box
Fort Scott Munitions
Fort Scott Munitions 9MM TUI Self Defense ammunition delivers a purpose-built round for shooters serious about handgun defense. The TUI (Tumble Upon Impact) 9mm round uses an 80-grain solid copper projectile designed to perform reliably when it counts. This is ammunition engineered with a specific defensive mindset—not range plinking bulk, but a premium self-defense cartridge that stands apart from standard full-metal-jacket loads.
The solid copper construction is the key to how these rounds work differently. Unlike traditional jacketed bullets, the copper design contributes to the TUI performance characteristic—the bullet's behavior when it meets a target. Fort Scott Munitions brings ballistic engineering to the 9mm platform, and their coating process (TPD-coated) supports consistent chamber and feeding performance. Each box contains 20 rounds, making it practical for practice sessions, qualification drills, or keeping your carry gun supplied with purpose-designed ammunition.
Whether you're training with your everyday 9mm, working up loads for competition, or maintaining a defensive ammunition supply, Fort Scott's 9MM TUI rounds offer an alternative to mass-produced commodity ammo. The smaller 80-grain weight means velocity and ballistic characteristics differ from standard 115–147 grain loads, so if you're switching to these rounds, confirm function and point-of-aim shift in your specific firearm before relying on them defensively.
| Caliber | 9mm Luger (9x19) |
| Bullet Weight | 80 grains |
| Bullet Material | Solid Copper |
| Rounds Per Box | 20 |
| Bullet Design | TUI (Tumble Upon Impact) |
| Coating | TPD |
| Manufacturer | Fort Scott Munitions |
TUI stands for Tumble Upon Impact. It refers to Fort Scott Munitions' bullet design that causes the projectile to tumble when it strikes a target. This behavior is engineered into the solid copper bullet geometry to influence terminal performance in defensive scenarios.
Fort Scott 9MM TUI ammunition is chambered in 9mm Luger (9x19 Parabellum) and should function in any firearm chambered for that cartridge. However, the 80-grain bullet weight is lighter than typical 9mm rounds (which usually run 115–147 grains), so point of aim and velocity will differ. Always test any new ammunition type in your specific firearm before relying on it defensively.
The primary differences are bullet weight, construction, and design. Fort Scott's solid copper 80-grain projectile and TUI engineering are distinct from conventional hollow-point or bonded designs used in mainstream defensive loads. The lighter weight will produce different velocity and ballistic behavior in your firearm.
Fort Scott Munitions manufactures these as self-defense ammunition, but shooters may use them for training and qualification. The 20-round box size makes it practical for range sessions or maintaining carry ammunition supply.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
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