Davidson Defense Shield and Spear 16-inch AR-15 7.62x39 Rifle Complete Upper Build

The Shield and Spear 16-inch AR-15 Complete Upper Build from Davidson Defense provides a robust solution for firearm enthusiasts seeking durability and versatility. Chambered in 7.62x39mm, this upper features a 16-inch HBar barrel made from 4150 CrMoV steel, finished with black nitride for enhanced resilience. The carbine-length gas system ensures reliable cycling, while a twist rate of 1:10 optimizes projectile stability. Constructed from 7075 T6 aluminum, the stripped upper receiver is anodized for corrosion resistance and includes M4 feed ramps for improved reliability. The assembly is complemented by a mil-spec AR-15 M4 charging handle and a 9310 alloy steel bolt carrier group, also finished in nitride. A low-profile gas block and a flash hider muzzle device round out the build, offering compatibility with a variety of optics and accessories. Ideal for a gunsmith who values freedom and performance, this upper delivers dependable operation across multiple shooting applications.