Davidson Defense Aegis 16-inch Carbine-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build, Plan B Sentinel Caged Flash Hider

The Aegis 16-inch Carbine-Gas Complete Upper is engineered for precision and reliability. It features a 5.56 NATO chamber and a medium profile 4150 Chrome Moly Vanadium barrel with a 1:7 twist rate, providing optimal stabilization for a variety of bullet weights. The barrel is nitrided for enhanced durability, lasting performance, and reduced maintenance. This upper includes a carbine-length gas system and a 0.75-inch gas block, ensuring consistent cycling.

The handguard is a robust M-Lok freefloat design made from 6061-T6 aluminum, allowing for versatile accessory mounting and minimizing weight. Capping off the build is the Breek Arms Plan B Sentinel Caged Flash Hider, made of 4140 hardened steel with a nitride finish, designed with a closed-tine design to effectively reduce muzzle flash. The complete upper is compatible with standard AR-15 lower receivers, making it a practical choice for gunsmiths seeking a reliable build.