Shadow Systems U526 5.56mm Semi-Automatic Rifle
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The Shadow Systems U526 is a purpose-built 16-inch duty rifle engineered for shooters who value smooth recoil, consistency, and long-term reliability. Its intermediate gas system and hybrid-profile, chrome-lined barrel work together to deliver a refined shooting impulse across a wide range of ammunition.
Designed as a complete system — not a parts-bin assembly — the U526 balances accuracy, durability, and control in a lightweight, hard-use configuration. This is a rifle built to run predictably when conditions and expectations are high.
The U526 features a two-stage duty trigger and DLC (Diamond-Like Carbon) BCG for enhanced durability and smooth cycling. The threaded barrel accepts standard 1/2x28 muzzle devices, and the rifle ships optic-ready with a Picatinny rail for mounting your preferred optic.
- Caliber: 5.56 NATO/.223 REM
- Barrel: 16-inch chrome-lined with 1:7 twist rate
- Action: Semi-automatic with intermediate gas system
- Includes one 30-round magazine
- DLC BCG and two-stage duty trigger
- Optic-ready with Picatinny rail; sights not included
| MPN | SS-6012 |
| UPC | 810120317328 |
| Brand | Shadow Systems |
| Model | U526 |
| Action | Semi-Auto |
| Finish | Black Nitride |
| Safety | Safety Selector |
| Caliber | 5.56 NATO |
| Capacity | 30 rd |
| Barrel Length | 16" |
| Rate of Twist | 1:7" |
| Overall Length | 32.5" |
| Thread Pattern | 1/2x28 |
| Magazines Included | 1 |
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