Davidson Defense High Orbit w/Magpul BTR Brace 10.5-inch Pistol-Gas 1:8 .338 ARC AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Davidson Defense High Orbit with Magpul BTR Brace 10.5 Inch 338 ARC AR-15 Full Build Kit

This full build kit provides all components needed to complete a 338 ARC AR-15 build except the lower receiver. It includes a 10.5 inch Bear Creek HBAR barrel with pistol gas system, 10 inch Trinity Force MX10 M-Lok freefloat handguard, complete bolt carrier group, charging handle, buffer system, lower parts kit, and Magpul BTR stabilizing brace. The upper receiver is forged 7075-T6 aluminum with anodized finish. The barrel is 4150 CrMoV steel with phosphate finish and 1 in 8 twist rate.

Key Features

• 10.5 inch Bear Creek 4150 CrMoV steel HBAR barrel with phosphate finish
• 1 in 8 twist rate chambered in 338 ARC
• Pistol length gas system
• 7075-T6 forged aluminum upper receiver with anodized finish
• 10 inch Trinity Force MX10 M-Lok freefloat handguard
• 5/8x24 threaded barrel with flash hider included
• Complete bolt carrier group
• Charging handle included
• Complete buffer system with Mil-Spec heavy duty 6 position pistol buffer tube, buffer, and recoil spring
• Lower parts kit included
• Magpul BTR stabilizing brace

Perfect For

• Builders seeking a complete 338 ARC pistol platform
• Shooters prioritizing compact dimensions with Magpul brace integration
• Home defense or vehicle applications
• Pistol builds requiring minimal additional components

Complete Component Integration

This kit includes the upper assembly, bolt carrier group, charging handle, buffer tube assembly with pistol buffer and spring, lower parts kit, and stabilizing brace. All components required to complete an AR-15 pistol build are provided except the lower receiver.

Magpul BTR Stabilizing Brace

The Magpul BTR brace is compatible with Mil-Spec buffer tubes and provides a secure interface for stabilization. The brace is paired with a complete buffer system including Mil-Spec heavy duty 6 position pistol buffer tube, buffer, recoil spring, and necessary hardware.

Compact 338 ARC Configuration

The 10.5 inch Bear Creek HBAR profile barrel is chambered in 338 ARC with a 1 in 8 twist rate for projectile stabilization. The phosphate finish offers corrosion resistance and surface hardness. The pistol gas system is matched to the barrel length for reliable cycling. The barrel features 5/8x24 threads with an included flash hider for compatibility with various muzzle devices.

Trinity Force MX10 M-Lok Handguard

The 10 inch Trinity Force MX10 handguard features M-Lok attachment slots for modular accessory placement. The freefloat design isolates the barrel from handguard contact. The lightweight handguard provides a versatile rail for mounting accessories while maintaining structural integrity.

Lower receiver not included. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.