Description
Fort Scott Munitions designed this 115-grain load around a unique Tumble Upon Impact (TUI) technology that sets it apart from conventional ammunition. The solid copper spun projectile is machined from premium materials and engineered to fly straight for accuracy, then tumble end-over-end once it enters soft tissue. This creates larger temporary wound cavities than standard rounds while the projectile maintains its integrity and retains over 95% of its mass throughout the terminal event.
What Makes TUI Different from Other 9mm Rounds
Unlike hollow points that expand on impact, these projectiles stay intact while tumbling through the target. This means no reliance on mechanical features and no fragmentation. The projectile travels straight through initial contact before beginning its tumble deep inside tissue, maximizing damage where it counts most. Testing in ballistic gelatin consistently shows large temporary cavities, and real-world feedback confirms reliable expansion without the feeding issues some pistols experience with traditional hollow points.
Quality and Consistency You Can Count On
Each round is loaded to match-grade standards with Power Pistol powder, producing 1140 fps muzzle velocity and 230 ft-lbs of energy from a 4-inch barrel. The ammunition uses new production brass with a nickel-plated finish and TPD-9 coating for superior corrosion resistance. Testing shows zero failures to fire across multiple platforms including Glocks, HK handguns, CZ pistols, and others. Velocities stay consistent, and accuracy is tight enough to group under an inch at 25 yards.
Practical Considerations
This ammunition feeds cleanly in virtually any 9mm, which appeals to those whose guns won't reliably cycle hollow points. The solid projectile design leaves minimal fouling in the barrel compared to other rounds. If you're switching from standard ammo, a barrel cleaning before and after is recommended to avoid mixing residues from different projectile materials. The 115-grain weight is standard for 9mm defensive loads, offering a good balance of recoil management and terminal performance.
Key Specifications
- Caliber: 9mm Luger
- Bullet Weight: 115 grains
- Bullet Type: Solid Copper Spun (SCS), Lead-Free
- Muzzle Velocity: 1140 fps (4-inch barrel, 1:10 twist)
- Muzzle Energy: 230 ft-lbs
- Cartridge Length (COAL): 1.155 inches
- Case Material: Nickel-Plated Brass with TPD-9 Coating
- Powder: Power Pistol
- Powder Charge: 5.4 grains
- Rounds per Box: 20
- Boxes per Case: 25
- Manufacturer: Fort Scott Munitions
- Manufacturer Part Number: 9MM115SCVTPD
- UPC: 758381721839
- Primer: Non-Corrosive
- SAAMI Compliant: Yes
What’s Included
- 20 rounds of 9mm ammunition
- Sturdy plastic ammunition tray
Frequently Asked Questions
Will Fort Scott 9mm TUI ammo cycle properly in my handgun if I normally shoot hollow points?
Yes, this ammunition has a solid projectile design that feeds reliably in virtually any 9mm platform, including guns that have trouble with hollow points. The solid copper spun bullet is fully jacketed, so feed issues are extremely rare. If you're switching from standard FMJ ammo, a barrel cleaning is recommended to avoid mixing different projectile materials, which can improve accuracy and performance.
How does the Tumble Upon Impact technology work?
The solid copper projectile is engineered with specific geometry that keeps it stable in flight for accuracy, but once it strikes soft tissue, it begins to tumble end-over-end. This creates a larger temporary wound cavity than conventional rounds while the bullet stays intact and retains its mass. The damage is concentrated internally rather than relying on expansion or fragmentation.
Is Fort Scott 9mm 115gr TUI match-grade quality?
Yes. Independent testing confirms match-grade accuracy with tight velocity consistency and groups under an inch at 25 yards. Each round uses quality components loaded to precise specifications with Power Pistol powder. The ammunition meets SAAMI standards and has shown 100% reliability across various platforms without failures to fire.
What is the main difference between TUI ammo and standard hollow points?
TUI rounds use a solid projectile that tumbles upon impact, while hollow points expand through a mechanical collapse. TUI ammunition has no moving parts to rely on, creates wound cavities through the tumbling effect rather than expansion, and maintains structural integrity throughout. Both create larger wound cavities than FMJ, but TUI achieves this through a fundamentally different mechanism.



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