Davidson Defense Excaliber 2 20-inch AR-15 6.5 Grendel Rifle Complete Upper Build

The Excaliber 2 20-inch AR-15 rifle upper from Davidson Defense is engineered for precise performance in the 6.5 Grendel caliber. The 20-inch barrel is crafted from 416R stainless steel, featuring a durable stainless finish and a 1:8 twist rate for optimal accuracy. Its H-Bar profile and rifle-length gas system work in tandem with a Recoil Technologies Micro Low-Profile gas block, ensuring reliable cycling. This complete upper build includes a stripped upper receiver made from 7075 T6 aluminum with M4 feed ramps, finished with anodizing for increased resilience. The handguard, constructed from black 6061-T6 aluminum in an M-Lok style, allows for easy attachment of accessories. Additionally, the upper features a 5/8x24 threaded muzzle topped with a manganese phosphate-finished GI birdcage flash hider. Weighing in as a lightweight and durable upper, the Excaliber 2 is a precision option for gunsmiths who prioritize freedom and performance in their builds.