Caliber: 5.56 NATO. Capacity: 30-round magazine. Barrel: 11.5 in. Grips: Textured polymer. Sights: Optic-ready, Picatinny rail. Length: 27 in. overall. Weight: 6 lbs. unloaded. Finish: Black hard cast anodized. Features: Free-floating M-LOK handguard, Blade 2.0 brace, single-stage trigger.