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.
Caliber: 6.5 Grendel
Barrel Length: 20 inches
Barrel Material: 416R Stainless Steel
Barrel Finish: Stainless
Barrel Twist Rate: 1:8
Barrel Profile: H-Bar
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Rifle
Gas Block Size: 0.75
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Device Finish: Manganese Phosphate
Muzzle Thread Pitch: 5/8x24
Upper Receiver Name: Stripped Upper Receiver with M4 Feed ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
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