Geissele 08-478B ALG Defense El Jefe 5.56 NATO 16" Black RifleThe Geissele ALG Defense El Jefe 5.56 NATO 16" Black Rifle 08-478B is a high-quality firearm renowned for its reliability and performance. Constructed with precision from 7075 aluminum, Geissele 08-478B features a 16-inch barrel, Geissele gas block, and Super 42 Braided Wire Buffer Spring for enhanced reliability. Equipped with a Warner and Swasey red dot sight with integrated back-up iron sights, it offers versatility and convenience to shooters. Geissele Automatics offers the Geissele ALG Defense El Jefe Rifle, a Mil-Spec rifle boasting high-quality components at a competitive price point. Constructed from top-tier materials, both the upper and lower receivers are meticulously crafted from domestically sourced 7075 aluminum billets. Following a rigorous manufacturing process, including heat treatment and CNC machining, the receivers are finished with a Mil-Spec Type 3 black anodized hardcoat for durability. The rifle features a premium 16-inch barrel with an A2 flash hider and a Geissele 17-4 PH stainless steel gas block paired with an extended mid-length gas tube. The barrel undergoes button rifling and hard chrome plating to ensure longevity and accuracy, even under high rates of fire. The El Jefe incorporates Geissele's Super 42 Braided Wire Buffer Spring in its buffer tube, enhancing reliability and cartridge stripping capabilities, particularly with dirty conditions or steel case ammunition. Completing the El Jefe Rifle is the U. S.-engineered Warner and Swasey 3MOA red dot sight, featuring integrated back-up iron sights for immediate use in case of optic failure. This design eliminates the need for a separate set of back-up iron sights, offering convenience and versatility. Features of the Geissele ALG Defense El Jefe Rifle: Upper & Lower Receivers: Made from precision machined, heat treated 7075 aluminumBarrel: Button rifled, chrome lined. Topped with A2 Flash HiderSuper 42 Braided Wire Buffer SpringWarner and Swasey 3MOA red dot sight ALG Defense El Jefe 5.56 NATO 16" Black Rifle