#html-body [data-pb-style=Q0O6V5N]{border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=Q0O6V5N],#html-body [data-pb-style=UNSNA39]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=UT2GVSN]{border-style:none;border-width:1px;border-radius:0;display:none;margin:0;padding:0}Barrel: Nitride finished 4150V chrome moly vanadium 16" barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is is finished off with Magpul MOE carbine-length handguards, F-Marked gas sight base, and A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer. Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Mag particle inspected.  Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.  Includes: Magpul MBUS Rear Sight - Black. The US made MBUS (Magpul® Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform.  Spring-loaded flip up action is easily activated from either side or by pressing the top.  Impact resistant polymer construction provides light weight and resists operational abuse.  Experience optimal performance with our meticulously crafted AR-15 rifle build. The nitride-finished 4150V chrome moly vanadium 16" barrel, chambered in 5.56 NATO, boasts a 1:7 twist rate, M4 barrel extension, and a reliable carbine-length gas system. Enhanced with Magpul MOE carbine-length handguards, an F-Marked gas sight base, and an A2 flash hider, this barrel ensures stability and control. The upper receiver, forged from 7075-T6 A3 aluminum to MIL-SPECS, undergoes a durable hard coat anodized finish, guaranteeing long-lasting durability. Proudly made in the USA by a mil-spec compliant manufacturer, you can trust in its quality and performance. The bolt features a full-auto profile bolt carrier group, with a milspec Carpenter No. 158® steel bolt that undergoes Mag particle inspection for quality assurance. The gas key is hardened to USGI specifications and securely fastened with Grade 8 screws, staked per Mil-Spec requirements. Completing the build is the Magpul MBUS Rear Sight in black, offering a low-cost, color injection-molded folding back-up sight. Adjustable for windage, it fits most 1913 Picatinny rail equipped weapons and is tailored to the AR15/M16 platform. The spring-loaded flip-up action can be easily activated from either side or by pressing the top, while the impact-resistant polymer construction ensures lightweight and durability. Elevate your shooting experience with this comprehensive package, meticulously designed and constructed to meet the highest standards of performance and durability.