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Fort Scott Munitions loaded this 6 ARC round with their proprietary Tumble Upon Impact (TUI) technology paired with match-grade precision. Each 90-grain projectile is CNC-machined from solid copper, creating a monolithic bullet with no moving parts. This matters because solid copper rounds maintain near-perfect weight retention and create a more predictable wound channel than traditional jacketed designs.
The TUI design is what sets these apart. When the bullet enters water-based tissue, it's engineered to tumble end-over-end, distributing damage internally rather than at initial impact. This creates a larger temporary wound cavity while the projectile penetrates deeper. The ammunition loads with Staball 6.5 powder at 30.3 grains, delivering 2594 feet per second from a 24-inch test barrel with a standard 1:7.5 twist. The overall length is 2.255 inches, fitting comfortably in AR-15 magazines.
This caliber excels across multiple disciplines. The 90-grain weight is light enough to generate velocity for varmint and predator work but heavy enough for ethical medium-game hunting. Long-range shooters appreciate the 6 ARC's flat trajectory and high ballistic coefficients that rival much larger cartridges. Match competitors find the tight manufacturing tolerances and consistent ballistics make repeat shots predictable. You get lead-free, reloadable brass cases that won't corrode, and each round ships factory new.
Fort Scott maintains strict CNC manufacturing tolerances throughout their production process. The solid copper construction means no jacket separation or core slippage. Field reports confirm these rounds perform consistently, and the ammunition ships in new condition with quality brass casings ready for the range, field, or competition line.
The TUI bullet is engineered to tumble end-over-end when it strikes water-based tissue, creating a larger wound channel and distributing damage internally rather than at first contact. This design is multi-patented and unique to Fort Scott Munitions. The solid copper construction and driving bands work together to initiate this tumbling action for consistent terminal performance.
Yes, this ammunition comes in reloadable brass cases with non-corrosive primers. The tight manufacturing tolerances in Fort Scott rounds make them excellent candidates for reloading. Just ensure you clean your barrel thoroughly when switching from other ammunition types to solid copper rounds, as the smooth monolithic bullets require a clean bore for optimal accuracy and performance.
The 6 ARC is remarkably versatile. The 90-grain Fort Scott load works well for varmints, predators, and medium-sized game at extended ranges. Competitive shooters use it for precision rifle matches due to its flat trajectory and high ballistic coefficient. The cartridge delivers .308-class performance from an AR-15 platform with significantly less recoil, making it ideal for those who want long-range capability without a heavier rifle.
Fort Scott recommends cleaning your barrel thoroughly if you've been shooting other ammunition types beforehand. Solid copper monolithic bullets have a smoother surface than jacketed rounds and respond better to a clean bore. A clean barrel will improve both accuracy and performance with Fort Scott's solid copper rounds.
| Caliber/Gauge | 6 ARC |
|---|---|
| Cost per Round | 2.05 |
| Grains | 90 gr |
| Manufacturer | |
| Manufacturer Part Number | 6ARC-090-SCV2 |
| Units per Box | 20 |
| UPC | 758381722430 |
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