Davidson Defense High Orbit 10.5-inch Pistol-Gas 1:8 .338 ARC AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit

Davidson Defense High Orbit 10.5 Inch Pistol Gas 338 ARC AR-15 Upper Build Kit with M-Lok Handguard

This upper build kit combines a 10.5 inch 338 ARC barrel, 10 inch Trinity Force MX10 M-Lok freefloat handguard, and pistol gas system in a compact configuration. The upper receiver is Davidson Defense 7075-T6 aluminum with anodized finish. The barrel is Bear Creek 4150 CrMoV steel with HBAR profile and 1 in 8 twist rate. The handguard features M-Lok slots for accessory compatibility.

Key Features

• 10.5 inch Bear Creek 4150 CrMoV steel HBAR barrel
• 1 in 8 twist rate chambered in 338 ARC
• Pistol length gas system with Davidson Defense micro low profile gas block
• Stainless pistol length gas tube
• Davidson Defense 7075-T6 aluminum upper receiver with anodized finish
• 10 inch Trinity Force MX10 M-Lok freefloat handguard
• 5/8x24 threaded barrel with Omega Manufacturing birdcage flash hider
• Freefloat design for thermal management and accuracy potential

Perfect For

• Builders seeking a compact 338 ARC upper configuration
• Pistol or SBR projects requiring shorter barrel lengths
• Shooters prioritizing maneuverability with 338 ARC ballistics
• Home defense or vehicle applications

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 pistol gas system is matched to this barrel length for reliable cycling. The barrel features 5/8x24 threads with an included Omega Manufacturing birdcage flash hider.

Trinity Force MX10 Freefloat Handguard

The 10 inch Trinity Force MX10 handguard uses M-Lok attachment points along its length for modular accessory placement. The freefloat design isolates the barrel from handguard contact. The lightweight construction provides a versatile attachment system for accessories while maintaining stability.

Davidson Defense Upper Receiver

The Davidson Defense 7075-T6 aluminum upper receiver features an anodized finish for corrosion resistance and durability. The upper is compatible with mil-spec AR-15 lower receivers and standard fire control groups.

Micro Low Profile Gas Block

The Davidson Defense micro low profile gas block sits under the handguard for a clean profile. The stainless pistol length gas tube connects the gas block to the upper receiver. The pistol gas system provides reliable cycling for the 10.5 inch barrel length.

BCG and charging handle are not included. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.