Davidson Defense Zapstrike 20-inch AR-15 5.56 NATO Rifle Complete Upper Build

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.