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Fort Scott's TUI line brings something genuinely different to the 5.56 space. These rounds use a solid copper bullet machined from a single piece of material on a CNC lathe, then engineered to tumble end-over-end when it contacts tissue. It's a ballistic approach that sidesteps the traditional expanding bullet altogether, giving you the barrier penetration of a full metal jacket combined with the wound channel performance you'd expect from defensive ammunition.
The 55-grain load generates a muzzle velocity of 3426 fps with 1433 ft-lbs of energy out of a 24-inch test barrel. Users consistently report tight accuracy, with many noting groupings comparable to match-grade hunting rounds. The solid copper construction means no moving parts inside the bullet, no jacket-core separation, and no fragmentation. The bullet travels straight through barriers like heavy clothing or bone, then begins to tumble once it hits soft tissue, creating internal damage without excessive external trauma.
Every projectile goes through intensive testing to deliver the tight tolerances Fort Scott advertises. The ammunition ships with pre-annealed brass cases that extend case life and ensure consistency round to round. Non-corrosive Boxer primers handle the ignition, and field testing shows clean burning with minimal carbon fouling even after extended shooting sessions. The brass cases are reloadable, which appeals to people who shoot enough to justify handloading.
Fort Scott designed this ammunition as precision ammo for rifle hunters, but the TUI technology makes it equally capable for self-defense and law enforcement work. It's legal for use in most areas where lead ammunition is restricted, and it delivers the kind of penetration and terminal performance that doesn't depend on hitting a vital organ dead center to be effective. The round maintains its straight flight trajectory before impact, then tumbles to create larger wound cavities internally rather than expanding on first contact with skin.
The TUI design is engineered so the solid copper bullet travels straight and stable in flight, but once it strikes soft tissue, it begins rotating end-over-end. This tumbling creates a larger wound cavity than the bullet's diameter while maintaining deep penetration. The internal damage happens primarily after the bullet enters the target, not at first contact with skin.
No. Fort Scott uses non-corrosive Boxer primers in all their 5.56 NATO TUI ammunition, so standard field cleaning procedures after shooting will keep your barrel in good shape. The ammunition has also been tested to show no overpressure signs or case failures in standard AR-15 platforms.
Solid copper bullets are actually gentler on your barrel than traditional jacketed ammunition because copper is softer than the hardened steel jackets used in conventional bullets. The smoother surface causes less friction on the rifling, which can extend barrel life with proper maintenance. Just make sure to clean your barrel thoroughly if you've been shooting other ammunition types before switching to Fort Scott.
Yes, the brass cases are fully reloadable. They come pre-annealed from the factory, which extends case life and ensures consistent dimensions. Reloading should only be done by experienced individuals following proper safety procedures and established load data for the 5.56 cartridge.
| Caliber/Gauge | .223 REM/5.56 NATO |
|---|---|
| Case Material | Brass |
| Cost per Round | 1.35 |
| Grains | 55 gr |
| Manufacturer | |
| Manufacturer Part Number | 556055SCV |
| Units per Box | 20 |
| UPC | 753677048140 |
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