The Davidson Defense Mending Vortex with SBA3 brace is a complete AR-15 full build kit that combines precision and versatility. It features an 11.5-inch carbine-gas barrel crafted from 4140 CrMoV steel with government profile and 1:8 twist rate, optimized for .223 Wylde ammunition. The barrel is finished with durable nitride coating and includes 1/2x28 thread pitch, paired with an AR-15 GI birdcage flash hider. The freefloat quad rail handguard, made from 6061-T6 aluminum, measures 10 inches in length, providing ample space for accessories across four continuous Picatinny rails. Anodized 7075-T6 aluminum composes the upper receiver, which is equipped with M4 feed ramps for reliable feeding. The SB Tactical SBA3 adjustable pistol stabilizing brace offers enhanced control and stability with five positions of adjustment. This kit also includes a mil-spec charging handle and a complete bolt carrier group, making it an excellent choice for shooters seeking a capable, compact platform for various applications. This full build kit includes all necessary components except the lower receiver.
The 11.5-inch barrel, crafted from 4140 CrMoV steel with durable nitride coating, provides corrosion resistance and wear protection in a compact, maneuverable package. The government profile offers proven weight distribution and handling characteristics. The .223 Wylde chambering is optimized for precision, offering 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 suits a variety of bullet weights, making this barrel versatile for tactical, recreational, and precision applications at close to moderate ranges.
The 10-inch freefloat quad rail handguard, made from 6061-T6 aluminum, provides ample space for accessories 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 carbine-length gas system ensures reliable cycling in this compact platform, contributing to predictable recoil characteristics and dependable operation.
The SB Tactical SBA3 adjustable pistol stabilizing brace offers enhanced control and stability with five positions of adjustment, allowing shooters to customize length-of-pull for varying sizes and shooting positions. This kit includes a mil-spec charging handle for smooth operation and a complete bolt carrier group for dependable function. The 7075-T6 aluminum upper receiver with anodized finish and M4 feed ramps provides reliable feeding and lasting durability. The GI birdcage flash hider with 1/2x28 thread pitch manages muzzle rise and flash signature effectively.
This complete full build kit includes all necessary components to complete your AR-15 build except the lower receiver. Builders can pair this kit with a compatible lower receiver to create a complete, functional .223 Wylde platform. The Mending Vortex with SBA3 brace makes an excellent choice for shooters seeking a capable, compact platform that combines precision and versatility for various applications in an 11.5-inch carbine configuration.
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: KAK Industry 11.5" .223 Wylde Carbine Gas Government Profile Barrel
Barrel Length: 11.5-inch
Barrel Material: 4140 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:8
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Length: 10 Inches
Handguard Style: Free Float Quad Rail
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Gas Block Name: Micro Low-Profile Steel Gas Block
Gas Block Size: 0.750
Muzzle Device: AR-15 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Device Thread Pitch: 1/2x28
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Name: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel (Bolt Head), 8620 Alloy Steel (Body)
Bolt Carrier Finish: Nitride
Lower Parts Kit: Mil-Spec AR-15 Lower Parts Kit
Pistol Brace Information: SB Tactical SBA3 Adjustable Pistol Stabilizing Brace
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