F1 Firearms HDR-15 Stars and Stripes 223 Wylde 16in Black Anodized Semi Automatic Modern Sporting Rifle – 30+1 Rounds – The F-1 Firearms HDR-15 Stars and Stripes is chambered in .223 Wylde and features a 16in match-grade 416 stainless-steel barrel with a black nitride finish, and an A2 flash hider. The .223 Wylde chambering provides the optimal performance from both 5.56 NATO and .223 Remington ammunition. With a flat top upper and a free-floating M-LOK compatible 13.7in billet handguard, with an uninterrupted Picatinny top rail, there is plenty of space to add your favorite optics, lights, lasers, and other accessories. The handguard provides maximum air-flow and cooling while retaining strength and durability. The aluminum upper and lower receiver, with an oversized trigger guard, have a Type III hard coat anodized finish. The relief cut star on the right, and American Flag on the left side of the magazine well will get attention on the range while showing your American pride. The HDR-15 Stars and Stripes has a black nitrided bolt carrier group and mil-spec fire controls that provide exceptional reliability and a familiar consistent trigger break. A multi-position MFT Minimalist butt stock and Magpul MOE pistol grip lets you customize the length of pull to match your needs while providing superior control and comfort.