Davidson Defense Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit, Plan B Scorch 3-Prong Flash Hider

The Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit from Davidson Defense provides a solid foundation for your tactical assembly needs. This kit features a "Satellite" 16.5-inch QPQ Nitride medium profile barrel, crafted from 4150 Chrome Moly Vanadium, with a twist rate of 1:7. The barrel is complemented by a mid-length gas system and a micro low-profile gas block.

The upper receiver is made from 7075 T6 aluminum, finished with anodizing for durability and compatibility with M4 feed ramps. Additionally, the kit includes a 15-inch M-LOK handguard with an integrated handstop for modular accessory attachment. The Breek Arms Plan B Scorch 3-prong flash hider, made from 4140 hardened steel and finished with nitride, effectively reduces muzzle flash for improved tactical performance. This upper build kit is designed for gunsmiths who value precision and functionality in the AR-15 platform.