Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
Fort Scott Munitions TUI 260 Remington ammo pairs a 123-grain solid copper projectile with a brass case and Boxer primer — engineered for medium game hunters who refuse to compromise on terminal performance or environmental compliance. The 260 Remington cartridge delivers flat trajectories and manageable recoil in short-action rifles, making it a precision platform for deer, antelope, and hogs inside 400 yards. This load launches at 3026 feet per second and carries 2501 foot-pounds of energy from a 24-inch test barrel, with a G1 ballistic coefficient of 0.534 for predictable drop and wind drift.
Load Profile
The TUI projectile is machined from solid copper rod stock on CNC lathes, eliminating lead exposure and delivering consistent dimensions across every round in the box. Fort Scott Munitions writes the projectile’s name into its function: Tumble Upon Impact. When the solid copper bullet enters water-based tissue, it rotates end-over-end rather than mushrooming or fragmenting, carving a wider wound channel than traditional expanding designs while maintaining structural integrity through bone and heavy muscle. The brass case accepts standard large rifle primers, and the Boxer configuration supports full-length resizing and reloading for shooters who handload precision ammo.
Specs at a Glance
| Spec | Value |
|---|---|
| Caliber | 260 Remington |
| Bullet weight | 123 grains |
| Bullet type | Solid copper (lead-free) |
| Muzzle velocity | 3026 fps |
| Muzzle energy | 2501 ft-lbs |
| Ballistic coefficient (G1) | 0.534 |
| Test barrel length | 24 inches |
| Rounds per box | 20 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Intended use | Hunting |
| Manufacturer | Fort Scott Munitions |
This ammunition is built in the United States and ships as a DOT-regulated hazmat item. Store in a cool, dry location away from heat sources and unauthorized access. For more 260 Remington ammo options, browse our full cartridge catalog.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Follow the four rules of firearm safety on every range trip — see our four rules guide.
- Verify current state and local laws before purchasing ammunition. Some jurisdictions restrict lead-free or solid projectile designs.
- This product contains copper, which is known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65.
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