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Davidson Defense Warden w/SBA3 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Pistol Full Build Kit

Part Number: PI-PK-556-63997-SBA3
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On sale $394.99 $294.99
Retail Price:$394.99
Your Savings:$100.00(25%)
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Details

Davidson Defense Warden w/SBA3 Brace 10.5" AR-15 Complete Build Kit - 5.56 NATO | 4150 CrMoV Barrel | Trinity Force KMX Keymod Handguard | Complete BCG | SB Tactical SBA3 Adjustable Brace

The Davidson Defense Warden w/SBA3 Brace 10.5-inch Carbine-Gas Complete Build Kit is engineered for AR-15 enthusiasts who value performance and customization. Featuring 10.5-inch barrel chambered in 5.56 NATO with 1:7 twist rate and phosphate finish for optimal performance, 4150 CrMoV steel barrel construction for durability and heat resistance, carbine-length gas system for reliable cycling, M4 7075-T6 forged aluminum upper receiver with anodized finish for superior strength, 10-inch Trinity Force KMX Keymod handguard for accessory attachment and enhanced ergonomics, complete 9310 alloy steel bolt carrier group with nitride finish for corrosion resistance, SB Tactical SBA3 adjustable pistol stabilizing brace for stability and improved handling, low-profile gas block for efficient gas regulation, mil-spec buffer tube for robust construction, standard carbine recoil spring for consistent performance, AR-15 mil-spec charging handle for reliable operation, 1/2x28 threaded muzzle with GI A2 birdcage flash hider pre-installed—perfect for custom AR-15 pistol builds, home defense configurations, tactical applications, and builders seeking comprehensive build kits with proven 5.56 NATO reliability and adjustability.

Key Features:

  • 10.5" Barrel: Compact length with 1:7 twist rate
  • 5.56 NATO Chamber: Proven military specification chambering
  • 4150 CrMoV Steel: Premium barrel material for durability and heat resistance
  • Phosphate Finish: Battle-tested coating for rigorous use and corrosion resistance
  • Carbine-Length Gas System: Optimal cycling for 10.5" barrel configuration
  • 1:7 Twist Rate: Excellent stabilization for heavy bullets and optimal performance
  • M4 7075-T6 Upper Receiver: Forged aluminum with anodized finish
  • 10-Inch Trinity Force KMX Keymod Handguard: Enhanced ergonomics and accessory mounting
  • Complete 9310 Bolt Carrier Group: Nitride finish for corrosion resistance
  • AR-15 Mil-Spec Charging Handle: Reliable charging operation
  • Low-Profile Gas Block: Efficient gas regulation with clean aesthetic
  • SB Tactical SBA3 Adjustable Brace: Five-position adjustability for customized fit
  • Mil-Spec Buffer Tube: Robust construction for brace mounting
  • Standard Carbine Recoil Spring: Consistent performance and reliable cycling
  • GI A2 Birdcage Flash Hider: Pre-installed with 1/2x28 threading
  • Complete Build Kit: Everything needed for custom AR-15 pistol assembly

Perfect For:

  • Custom AR-15 pistol builds with 5.56 NATO reliability
  • Compact home defense and personal protection setups
  • Tactical training and close-quarters applications
  • Gunsmiths seeking comprehensive build kits
  • Builders prioritizing adjustability and customization
  • AR-15 pistol projects requiring battle-tested performance

5.56 NATO Chamber with Premium 4150 CrMoV Barrel: This kit includes a 10.5-inch barrel specifically chambered in 5.56 NATO, providing proven military specification performance and reliability. The 5.56 NATO caliber ensures compatibility with both 5.56 NATO and .223 Remington ammunition, offering flexibility for various shooting applications. The 1:7 twist rate is optimized for heavier bullets, providing excellent stabilization with bullet weights ranging from 55 to 77 grains, making it particularly effective with modern tactical ammunition including M855 and heavier match-grade projectiles. Made from 4150 CrMoV steel—a chromium-molybdenum-vanadium alloy renowned for superior durability and heat resistance—the barrel is engineered to withstand rigorous use and maintain accuracy under demanding conditions. The phosphate finish provides battle-tested protection against corrosion and wear, offering a proven coating that has served military applications reliably for decades while enhancing overall barrel longevity—perfect for builders seeking a compact, reliable platform with proven performance characteristics.

Premium Upper Assembly with Trinity Force KMX Keymod Handguard: The M4 upper receiver is crafted from durable 7075-T6 aluminum—the same premium material specification used in military M4/M16 upper receivers—providing superior strength compared to 6061 aluminum alternatives. The upper features anodized finishing for enhanced protection against corrosion and wear while providing a consistent, attractive appearance. Equipped with a 10-inch Trinity Force KMX Keymod handguard, this build allows for accessory attachment and enhanced ergonomics while maintaining a lightweight profile for comfortable handling. The Keymod attachment system provides secure mounting points for tactical accessories including lights, laser sights, vertical grips, and hand stops, offering versatile customization options. The free float design eliminates barrel contact, improving accuracy potential by preventing pressure points that can affect barrel harmonics during firing. The low-profile gas block provides efficient gas regulation while maintaining a clean, modern aesthetic that fits neatly under the handguard.

Complete 9310 Bolt Carrier Group and Optimized Gas System: The kit includes a complete bolt carrier group made from 9310 alloy steel, eliminating the need to source this critical component separately. 9310 steel is a high-strength nickel-chromium-molybdenum alloy specifically chosen for bolt applications due to its superior toughness, fatigue resistance, and ability to withstand the high-pressure environment of the bolt. The BCG features a nitride finish for corrosion resistance, providing enhanced durability and reduced friction for smooth, reliable cycling and extended service life. Paired with an AR-15 mil-spec charging handle for reliable operation, the upper assembly provides smooth, dependable charging and clearing functionality. The carbine gas system ensures reliable cycling, specifically optimized for the 10.5-inch barrel length to provide the correct dwell time for consistent performance with standard 5.56 NATO ammunition loads. The kit includes a standard carbine recoil spring for consistent performance and reliable cycling with most ammunition types.

SB Tactical SBA3 Adjustable Brace with Mil-Spec Buffer System: The SBA3 brace provides stability and adjustability for improved handling, featuring five positions of adjustability for customized length of pull. The SBA3 allows shooters of different sizes to achieve optimal fit and comfort, improving control and accuracy. The minimalist design reduces weight while maintaining the structural integrity needed for effective stabilization. The brace features an integral QD sling mount for easy sling attachment and enhanced carry options. Paired with a mil-spec buffer tube designed for robust brace mounting and long-term reliability, the buffer system provides proper cycling characteristics for reliable operation with most AR-15 pistol configurations and ammunition types. The muzzle is topped with a GI A2 birdcage flash hider pre-installed on the 1/2x28 threaded muzzle, reducing flash signature for improved shooting experience in low-light conditions. This comprehensive kit delivers a solid foundation for any AR-15 enthusiast—combining proven 5.56 NATO chambering, premium 4150 CrMoV barrel with phosphate finish, Trinity Force KMX Keymod handguard for enhanced ergonomics, complete 9310 BCG with nitride finish, adjustable SBA3 brace for improved handling, and robust mil-spec buffer system in a complete package ready for custom assembly.

Specifications

Platform: AR-15

Caliber: 5.56x45mm NATO

Barrel: 10.5" (Phosphate) Carbine gas (M4) 5.56 (1:7)

Barrel Length: 10.5 inches

Barrel Material: 4150 CrMoV

Barrel Finish: Phosphate

Barrel Twist Rate: 1:7

Barrel Thread Pitch: 1/2x28

Barrel Profile: Government

Gas System: Carbine-Length

Gas Block Size: 0.750 inches

Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider

Muzzle Thread Pitch: 1/2x28

Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps

Upper Receiver Material: 7075 T6 Aluminum

Upper Receiver Finish: Anodized

Handguard: Trinity Force KMX Keymod Rail

Handguard Length: 10 inches

Handguard Material: 6061-T6 Aluminum

Handguard Finish: Hard Coat Anodized

Handguard Color: Black

Handguard Style: KeyMod

Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality

Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group

Bolt Carrier Material: 9310 Alloy Steel

Bolt Carrier Finish: Nitride

Pistol Brace : SB Tactical SBA3 Adjustable Pistol Stabilizing Brace

Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel

Gas Block Material: Steel

Gas Block Finish: Phosphate

Recoil Buffer Weight: 3 oz

Buffer Tube: Mil-Spec Heavy-Duty AR-15 6-Position Buffer Tube

Buffer Spring: Standard AR-15 Carbine Recoil Spring

Receiver End Plate: AR-15 M16 Mil-Spec Receiver End Plate

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