The Stormborn 7.5-inch Pistol Upper Build Kit from Davidson Defense is an ideal choice for gunsmiths focusing on AR-15 customization. This kit features a 7.5-inch "Irithyll" AR-15 profile barrel, constructed from 4150 Chrome Moly Vanadium with a 1:7 twist rate, delivering reliability and accuracy for 5.56 NATO ammunition. The barrel is finished with manganese phosphate and has a 0.750 gas block, equipped with a micro low-profile gas block for a compact design.
Accompanying the barrel is a lightweight, 7-inch freefloat M-Lok handguard made from durable 6061-T6 aluminum, ensuring optimal mounting options for accessories. The upper receiver is a "Panhead" billet upper, also forged from 6061-T6 aluminum and anodized for added durability. Completing the build is a standard AR-15 1/2x28 TPI GI birdcage flash hider. This upper kit combines functionality and performance for a robust 5.56 NATO AR-15 platform.
Caliber: 5.56x45mm NATO
Barrel: "Irithyll" AR-15 AR Pistol Barrel 7.5" Contour Barrel
Barrel Length: 7.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Twist Rate: 1:7
Barrel Profile: Contour
Barrel Finish: Manganese Phosphate
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Pistol
Gas Block Size: 0.750
Gas Block: Micro Low-Profile Gas Block
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
Handguard Material: 6061-T6 Aluminum
Handguard Length: 7-inch
Handguard Style: M-Lok
Handguard Color: Black
Upper Receiver: "Panhead" Billet Upper Receiver
Upper Receiver Material: 6061-T6
Upper Receiver Finish: Anodized
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