Fort Scott Munitions Tumble Upon Impact (TUI) ammunition for .243 Winchester uses a solid copper spun projectile engineered to tumble upon impact. This 58 grain load is presented in 20-round boxes for rifle shooters seeking a high-velocity, match-grade copper bullet. Use cases noted by the manufacturer include precision shooting, hunting, and defensive applications where a copper projectile is preferred.
Packaging: This product is sold per box containing 20 rounds. A case consists of 10 boxes; ordering a case equals ordering ten boxes (200 rounds total).
Key Specifications
- The caliber is .243 Winchester.
- The bullet weight is 58 gr.
- The bullet type is Solid Copper Spun.
- Units per box are 20 rounds.
- Boxes per case are 10.
- The listed muzzle velocity is 3870 fps.
- The listed muzzle energy is 1929 ft lbs.
- The case material is Brass.
- The intended application is listed as Home Defense.
- The UPC is 758381721556.
Built around a match-grade solid copper projectile with TUI technology, this 58 gr .243 Win load delivers very high listed velocity and consistent construction for shooters who prefer copper bullets. The product is packaged in standard 20-round boxes, with case quantities available as ten boxes per case.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




