Details
The DD15-A4 20-inch Rifle-Gas 1:7 5.56 NATO AR-15 FSB Quad-Rail Handguard Upper Build from Davidson Defense is a robust and practical assembly for serious firearms enthusiasts. Chambered in 5.56 NATO, it features a 20-inch barrel crafted from durable 4150 CrMoV steel with a 1:7 twist rate, optimizing stability and accuracy with a variety of projectiles. This upper assembly has a rifle-length gas system, promoting reliable cycling and performance. The 7075 T6 aluminum upper receiver is anodized for added durability, while the black anodized aircraft-grade aluminum quad-rail handguard provides ample space for accessories and attachments. The assembly includes a front sight base (FSB) for easy target acquisition and is equipped with an AR-15 1/2×28 TPI GI birdcage flash hider at the muzzle. With its solid construction and versatile design, the DD15-A4 is tailored for those who prioritize functionality and reliability in their AR-15 builds.
Specifications
Caliber: 5.56x45mm NATO
Barrel Length: 20-inch
Barrel Material: 4150 CrMoV
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2×28
Gas System Length: Rifle
Gas Block Size: 0.750
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Black anodized aircraft-grade aluminum
Handguard Style: Rifle Length Quad Rail
Handguard Color: Black
Muzzle Device: AR-15 1/2×28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2×28
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