Shadow Systems U526 Features The Shadow Systems U526 is engineered around a hybrid profile chrome lined barrel with a 1:7 twist rate that stabilizes a wide range of 5.56 NATO bullet weights while resisting the heat and fouling of extended shooting sessions. A Maelstrom flash hider caps the muzzle and the barrel is threaded 1/2x28 giving owners a direct path to mounting a suppressor or additional muzzle device. The rigid handguard interface locks down tight to the receiver for stability under load so optics and accessories mounted to the Picatinny top rail hold zero shot after shot. A two stage trigger breaks with a clean predictable wall that rewards precise trigger control in both range and duty applications. Proprietary furniture runs the length of this rifle from the polymer stock and grip to the rail system and controls all finished in Flat Dark Earth for a cohesive purpose-built appearance. The 60 to 90 degree thumb safety offers fast positive manipulation under stress while the design keeps total weight at a manageable 6.45 lbs for extended carry. Feeding from a 10-round magazine the U526 satisfies capacity-restricted jurisdictions without sacrificing the platform s core performance. Built for shooters who need consistency they can count on the Shadow Systems U526 stands ready as a dependable duty and home defense rifle for sale at GrabAGun. Shadow Systems U526 Specifications Manufacturer: Shadow Systems Model: U526 Type: Rifle Caliber: 5.56 NATO Capacity: 10+1 Barrel Length: 16 Barrel Material: Chrome Lined Steel Twist Rate: 1:7 Muzzle Device: Maelstrom Flash Hider Thread Pattern: 1/2x28 Receiver Finish: Flat Dark Earth Stock Finish: Flat Dark Earth Stock Material: Polymer Trigger: Two Stage Safety: 60-90 Degree Thumb Safety Sights: None Weight: 6.45 lbs Available At: GrabAGun