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Fort Scott Munitions engineered this .338 Lapua load with their multi-patented Tumble Upon Impact design, which sets it apart from standard match-grade offerings. The solid copper spun bullet is precision-machined from premium materials on CNC lathes, delivering the consistent quality you'd expect from ammunition labeled match-grade. Each round comes loaded to 2994 fps, putting you in position for serious long-range work where every yard counts.
When the 250-grain bullet enters soft tissue, it tumbles end-over-end rather than continuing straight through. This tumbling motion creates extreme wound cavities through hydrostatic shock while the bullet retains over 95 percent of its original weight, meaning solid penetration with devastating internal damage. Fort Scott's engineering ensures the damage occurs primarily internally instead of at the point of entry, which is what sets TUI apart from traditional expanding designs.
With a ballistic coefficient of .850, this round maintains its velocity and trajectory far downrange where wind drift and drop become critical factors. The 250-grain solid brass construction makes these rounds suitable for hunting in areas where lead ammunition is prohibited, while remaining competitive-grade accurate for match shooting and ELR applications. The tight tolerances from CNC machining mean you'll see consistent velocity from round to round and shot-to-shot consistency on paper.
Solid brass ammunition penetrates reliably without deformation, meaning barrier performance remains consistent in real-world conditions. There are no hollow points to fail or deform unexpectedly, just engineered geometry designed specifically for the tumbling effect. This makes TUI ammunition particularly effective for hunting big game and long-range applications where terminal performance needs to match the rifle's reach.
The TUI design causes the bullet to rotate end-over-end when it enters soft tissue, creating large temporary wound cavities through hydrostatic shock. This tumbling motion concentrates damage internally rather than at the entry point, while the solid copper construction retains over 95 percent of the bullet's weight for reliable penetration. The result is more devastating energy transfer compared to bullets that travel straight through.
Solid copper ammunition doesn't deform or deflect on barriers or hard materials, making terminal performance predictable in all conditions. It's lead-free, which allows hunting in areas where lead ammunition is restricted. The TUI geometry is specifically engineered to perform at the velocities .338 Lapua delivers, making it more effective at long range than many traditional hunting designs.
Fort Scott designed this round for versatility across match shooting, competitive ELR events, and hunting applications. The match-grade manufacturing and tight tolerances deliver the consistency required for competition, while the TUI terminal performance and .850 ballistic coefficient make it effective on big game at extreme distances. The lead-free construction also meets hunting regulations in many areas.
A .850 BC is excellent for a .338 Lapua, placing this ammunition in the upper tier of performance for the cartridge. This coefficient means the round resists wind drift and drop more effectively at extended range, giving you more forgiving wind calls and flatter trajectory downrange. It's competitive with other premium match-grade .338 Lapua options while offering the unique TUI terminal characteristics.
| Caliber/Gauge | .338 Lapua Magnum |
|---|---|
| Case Material | Brass |
| Cost per Round | 6.00 |
| Grains | 250 gr |
| Length | 6.0500 |
| Manufacturer | |
| Manufacturer Part Number | 338250SBV1 |
| Units per Box | 20 |
| UPC | 758381721204 |
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