The Davidson Defense .300 BLK 10.5-inch AR-15 pistol upper build kit is engineered for reliability and performance. Chambered in .300 Blackout, this upper features a robust 10.5-inch barrel made from 4150 CrMoV steel with a phosphate finish, ensuring durability and resistance to wear. The HBAR profile and 1:8 twist rate optimize ballistic performance for a variety of ammunition. The Black Diamond Series AR-15 billet upper receiver is constructed from 6061-T6 aluminum, anodized for corrosion resistance, while the direct mount handguard complements the build with lightweight robustness. The package includes a micro low-profile gas block for a .750 O.D barrel and a steel flash can muzzle device, both contributing to effective gas management. This versatile build kit is designed for gunsmiths who appreciate quality components and the freedom that comes with customizing their AR-15 platform.
Caliber: .300 Blackout
Barrel Length: 10.5 inches
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 5/8x24
Barrel Gas System: Pistol Gas
Barrel Finish: Phosphate
Barrel Profile: HBAR
Barrel Twist Rate: 1:8
Upper Receiver Name: Black Diamond Series AR-15 Billet Upper Receiver
Upper Receiver Material: 6061-T6
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Direct Mount
Gas Block Name: Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Gas Block Size: 0.75
Muzzle Device: Steel Flash Can Design 10 (Rev 2 Pattern 1)
Muzzle Thread Pitch: 5/8x24
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