By exceeding military standards, Core Systems ensures the best fit possible and can offer a more reliable, smoother functioning, and more accurate weapon that will provide you with the peace of mind that you deserve. The Core 15 M4 Scout has a direct gas-impingement system with a gas tube made of 304 grade stainless steel for longevity and tactical performance. The 16" 4150 CMV chrome-moly M4 profile chrome-lined barrel has comes topped with an A2 flash hider. The upper and lower receivers are constructed from Mil-Spec Forged 7075-T6 aluminum with a Class II hard-coat anodized finish and the stock is a Core 15 six-position retractable model with an A2 pistol grip. The lower receiver has a beveled magwell for improved reloading speed, machined chevrons in the front strap, and bullet pictogram safety markings. The upper receiver has M4 feed ramps and a 1913 Picatinny flattop rail. A Core 15 V.2 Hardcore Billet charging handle, M4-style Thermoset molded polymer hand guards with dual heat shields, a forged F-marked A-frame front sight, and a chrome-lined 8620 steel bolt carrier and carrier key ensure that your M4 Scout will operate safely and smoothly for years to come. A 30-round Magpul PMAG is included.