The Zapstrike 20-inch AR-15 Complete Upper Build from Davidson Defense is engineered for precision and performance. Chambered in 5.56 NATO, this upper features a 20-inch "Alamo" heavy barrel made from 4150 Chrome Moly Vanadium, with a phosphate finish and a 1:7 twist rate. The stripped upper receiver is crafted from 7075-T6 aluminum, anodized for added durability, and includes M4 feed ramps for reliability.
Equipped with a 15-inch free float quad rail handguard made from 6061-T6 aluminum, it provides ample space for accessories while maintaining accuracy. The micro low-profile gas block and reliable rifle gas system ensure consistent cycling. The assembly includes an AR-15 complete bolt carrier group made from 8620 alloy steel with a nitride finish, and a mil-spec quality charging handle. The included AR-15 GI birdcage flash hider, with a manganese phosphate finish, completes the build, making it an ideal choice for gunsmiths who appreciate freedom and functionality.
Caliber: 5.56x45mm NATO
Barrel: 20" "Alamo" 5.56 NATO Heavy (HBAR) Barrel, 4150 Chrome Moly Vanadium, Phosphate Finish, 1:7 Twist, 1/2x28 Thread, Rifle Gas System
Upper Receiver: Stripped Upper Receiver with M4 Feed Ramps, 7075-T6 Aluminum, Anodized Finish
Handguard: 15" Free Float Quad Rail, 6061-T6 Aluminum, Black
Muzzle Device: AR-15 GI Birdcage Flash Hider, Manganese Phosphate Finish, 1/2x28 Thread
Gas Block: Micro Low-Profile Gas Block, .750" Diameter, Steel, Phosphate Finish
Bolt Carrier Group: AR-15 Complete BCG, 5.56/.223/.300/.350 Compatible, 8620 Alloy Steel Carrier, Nitride Finish
Charging Handle: AR-15 M4 Mil-Spec Quality Charging Handle
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