The Davidson Defense Mending Vortex 11.5-inch AR-15 upper build kit offers a robust solution for gunsmiths seeking performance and reliability. It features a KAK Industry 11.5-inch .223 Wylde carbine-gas barrel, crafted from 4140 CrMoV gun steel with durable nitride coating for corrosion resistance and wear protection. The 1:8 twist rate optimizes bullet stability, making it suitable for various ammunition types in both 5.56 NATO and .223 Remington. This upper kit includes a Davidson Defense AR-15 upper receiver made from 7075-T6 aluminum with anodized finish and M4 feed ramps for increased durability and smooth feeding. The micro low-profile gas block and carbine-length gas system ensure reliable cycling in this compact platform. The freefloat quad rail handguard, constructed from 6061-T6 aluminum in black finish, allows for versatile accessory mounting across four continuous Picatinny rails and improved accuracy through freefloat design. Additionally, the assembly comes with a GI birdcage flash hider, adding functionality without excessive weight.
The 11.5-inch KAK Industry barrel, crafted from 4140 CrMoV gun steel with durable nitride coating, provides corrosion resistance and wear protection in a compact, maneuverable package. The .223 Wylde chambering offers the flexibility to shoot both 5.56 NATO and .223 Remington ammunition with improved accuracy potential over standard 5.56 NATO chambers. The 1:8 twist rate optimizes bullet stability across various ammunition types and bullet weights, making this barrel suitable for tactical, recreational, and precision applications at close to moderate ranges.
The carbine-length gas system pairs with a micro low-profile gas block to ensure reliable cycling in this compact 11.5-inch platform while maintaining a streamlined front-end profile. The freefloat quad rail handguard, constructed from 6061-T6 aluminum in black finish, allows for versatile accessory mounting across four continuous Picatinny rails. This configuration enables simultaneous mounting of lights, lasers, grips, foregrips, and other equipment at any position along the handguard. The freefloat design promotes barrel harmonics and improved accuracy by eliminating contact pressure on the barrel.
The Davidson Defense AR-15 upper receiver, made from 7075-T6 aluminum with anodized finish, provides increased durability and protection against wear and environmental exposure. The M4 feed ramps support smooth cartridge chambering and reduce feeding issues for reliable operation. The GI birdcage flash hider manages muzzle rise and flash signature effectively while adding functionality without excessive weight. Standard AR-15 compatibility ensures this upper integrates seamlessly with widely available lower receivers, making the Mending Vortex upper build kit a robust solution for gunsmiths seeking performance and reliability.
Follow safe handling practices and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify barrel length and overall configuration meet legal requirements in your jurisdiction. Confirm compatibility with your lower receiver and intended ammunition before assembly and use.
Caliber: .223 Wylde
Barrel Name: KAK Industry 11.5" .223 Wylde Carbine Gas Government Profile Barrel
Barrel Length: 11.5-inch
Barrel Twist Rate: 1:8
Barrel Material: 4140 CrMoV Gun Steel
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Gas Block Size: 0.750
Gas Block: Micro Low-Profile Gas Block
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Upper Receiver: Davidson Defense AR-15 Upper Receiver, M4 Feed Ramps
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Free Float Quad Rail
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
Muzzle Device Finish: Manganese Phosphate
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