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Davidson Defense Foxhole w/Magpul BTR Brace 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Part Number: PI-PK-556-63984-BTR
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On sale $374.99 $279.99
Retail Price:$374.99
Your Savings:$95.00(25%)
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Details

Davidson Defense Foxhole w/Magpul BTR Brace | 10.5" 5.56 NATO AR-15 Pistol Build Kit with Nitride Barrel, M-Lok Handguard & Complete BCG

The Davidson Defense Foxhole w/Magpul BTR Brace delivers a comprehensive AR-15 pistol build kit combining compact dimensions with proven components. Built around a 10.5-inch "Sandel" barrel crafted from 4150 Chrome Moly Vanadium with a nitride finish and 1:8 twist rate, this kit provides reliable stabilization across 55gr–77gr 5.56 NATO ammunition. The carbine-length gas system paired with a low-profile gas block ensures consistent cycling, while the freefloat M-LOK handguard offers lightweight accessory mounting and enhanced accuracy. The 7075-T6 aluminum mil-spec upper receiver features durable construction, and the kit includes a complete bolt carrier group for reliable operation. The Magpul BTR Pistol Brace fits standard mil-spec buffer tubes, providing stability and support. A 1/2x28 TPI A2 flash hider is included for effective muzzle control. Ideal for builders seeking a high-performance, compact AR-15 platform, this kit combines quality materials with practical design.

Key Features

  • 10.5" "Sandel" barrel made from 4150 Chrome Moly Vanadium with nitride finish for corrosion and wear resistance
  • 1:8 twist rate stabilizes 55gr–77gr 5.56 NATO projectiles
  • Carbine-length gas system with low-profile gas block for reliable cycling
  • Freefloat M-LOK handguard for lightweight accessory mounting without barrel contact
  • 7075-T6 aluminum mil-spec upper receiver for durability
  • Complete bolt carrier group included
  • Magpul BTR Pistol Brace compatible with standard mil-spec buffer tubes
  • 1/2x28 TPI A2 flash hider for effective muzzle control
  • Complete pistol build kit with all essential components

Perfect For

  • Compact AR-15 pistol builds prioritizing maneuverability and portability
  • Home defense and vehicle applications where compactness is critical
  • Builders seeking a complete pistol kit with brace, upper, and all essential components
  • Shooters upgrading to M-LOK handguard systems from traditional configurations
  • Gunsmiths and enthusiasts looking for a high-performance, modular platform

Nitride-Finished Barrel for Enhanced Performance

The 10.5-inch "Sandel" barrel features a nitride finish that provides superior corrosion resistance, wear resistance, and surface hardness compared to standard phosphate coatings. This heat-treated finish penetrates the steel surface, resulting in a barrel that resists fouling, cleans easier, and maintains accuracy over extended use. The 1:8 twist rate handles a broad range of bullet weights, from lightweight 55gr to heavier 77gr projectiles, giving you flexibility in ammunition selection for training, competition, or defensive applications.

Freefloat M-LOK Handguard for Accuracy and Modularity

The freefloat M-LOK handguard enhances accuracy by eliminating barrel contact, allowing the barrel to vibrate naturally without interference. The M-LOK slots provide a modern, low-profile mounting interface for lights, grips, and sling attachments, while the lightweight design reduces front-end weight for improved handling. The slim profile maintains ergonomics without sacrificing strength or modularity, making it ideal for shooters who want accessory flexibility without bulk.

Magpul BTR Pistol Brace for Stability

The Magpul BTR Pistol Brace provides enhanced stability and support, fitting standard mil-spec buffer tubes for easy integration. Its adjustable design allows for customized length of pull, improving comfort and control during shooting. The BTR's robust construction ensures reliability across various shooting positions and applications, making it a trusted choice for compact AR-15 pistol configurations.

Complete Build Kit with Essential Components

This kit includes all essential components for a functional AR-15 pistol build: upper receiver, barrel, gas system, handguard, bolt carrier group, and pistol brace. The low-profile gas block maintains a clean sight picture, while the 1/2x28 TPI threads accept the included A2 flash hider or allow for swapping to a compensator, brake, or suppressor mount. Whether you're building a dedicated home defense pistol or a versatile range companion, the Foxhole w/Magpul BTR Brace offers the modularity and performance serious builders demand.

Disclaimer: Follow all safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify compatibility with your lower receiver and components before purchase.


Specifications

Platform: AR-15

Caliber: 5.56x45mm NATO

Barrel: "Sandel" AR-15 5.56 NATO 10.5" Carbine Gas Phosphate Cryo Treated Barrel

Barrel Length: 10.5-inch

Barrel Material: 4150 Chrome Moly Vanadium

Barrel Thread Pitch: 1/2x28

Barrel Finish: Nitride

Barrel Profile: M4

Barrel Twist Rate: 1:8

Barrel Gas System Length: Carbine

Gas Block: Micro Low-Profile Gas Block

Gas Block Size: 0.750

Handguard Material: Durable materials with M-Lok compatibility

Handguard Color: Black

Handguard Style: Free Float M-LOK, Slim, Ergonomic Design

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

Muzzle Device Finish: Manganese Phosphate

Muzzle Device Thread Pitch: 1/2x28

Upper Receiver: AR-15 Upper Receiver

Upper Receiver Material: 7075 T6 Aluminum

Upper Receiver Finish: Anodized

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

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

Bolt Carrier Material: 9310 Alloy Steel and 8620 Alloy Steel

Bolt Carrier Finish: Nitride

Pistol Brace: Magpul BTR Pistol Brace, Compatible with Standard Mil-Spec Buffer Tube, Polymer, Black

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