Davidson Defense Orome 18-inch AR-15 5.56 NATO Rifle Complete Upper Build

The Orome 5.56 18-inch AR-15 Complete Upper Build from Davidson Defense is engineered for accuracy and reliability. Chambered in 5.56x45mm NATO, it features an 18-inch government profile barrel crafted from durable 4150 CrMoV steel with a nitride finish for corrosion resistance. The 1:7 twist rate ensures optimal bullet stabilization. The upper assembly includes a rifle-length gas system, 0.750 gas block, and a GI Birdcage flash hider. Constructed from 7075 T6 aluminum, the anodized upper receiver is lightweight yet robust. An M-Lok handguard made from 6061-T6 aluminum offers versatile accessory attachment options and a secure grip. The complete assembly comes with a Mil-Spec AR-15 M4 charging handle and a premium nitride-finished bolt carrier group made from 9310 alloy steel, ensuring reliable cycling and performance. This lightweight upper build is ideal for gunsmiths seeking precision and freedom in their firearms.