The DD-15A4 20-inch AR-15 Complete Upper from Davidson Defense offers a lightweight, precision-engineered solution for shooters seeking reliable performance. This upper is chambered in 5.56x45mm NATO and features a 20-inch HBAR barrel made from durable 4150 CrMoV steel with a nitride finish for enhanced longevity. The barrel twist rate of 1:7 accommodates a variety of ammunition types, while the rifle-length gas system ensures smooth operation. Constructed from 7075-T6 aluminum, the upper receiver is anodized for corrosion resistance. It includes a Mil-Spec AR-15 M4 charging handle made of aluminum, also finished in anodized black. The 9310 alloy steel bolt carrier group, finished in nitride, is optimized for reliable cycling across various conditions. Completing this upper is a drop-in quad rail handguard, providing ample space for accessory attachment. This complete upper build meets Mil-Spec standards, making it ideal for the discerning gunsmith who values freedom and precision.
Caliber: 5.56x45mm NATO
Barrel Length: 20-inch
Barrel Material: 4150 CrMoV
Barrel Finish: Nitride
Barrel Profile: HBAR
Barrel Twist Rate: 1:7
Gas System: Rifle
Color: Black
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Charging Handle: Mil-Spec AR-15 M4 Charging Handle
Charging Handle Material: Aluminum
Charging Handle Color: Black
Charging Handle Finish: Anodized
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier Name: 5.56/.223/.300/.350 Complete Bolt Carrier Group
Handguard Style: Drop-In Quad Rail Handguard
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