Davidson Defense Traject 20-inch Rifle-Gas 1:8 6.5 Creedmoor AR-10 M-Lok Rifle Complete Upper Build

Traject 20-Inch 6.5 Creedmoor AR-10 Complete Upper Build

This is a complete upper assembly for the LR-308 platform chambered in 6.5 Creedmoor. The Traject upper pairs a 20-inch heavy fluted barrel with a free-float M-LOK handguard, rifle-length gas system, and Recoil Technologies nitride BCG. The upper receiver follows DPMS low profile specifications and ships ready to pair with your LR-308 lower receiver.

Key Features

• 20-inch heavy fluted 4150 CrMoV barrel with 1:8 twist rate for 6.5 Creedmoor
• Recoil Technologies nitride bolt carrier group rated for 6.5 Creedmoor, .308 Winchester, and .243 Winchester
• Free-float 19-inch M-LOK handguard with DPMS low profile fit
• LR-308 billet upper receiver with Type III hardcoat black anodize finish
• Rifle-length gas system with low profile gas block and stainless steel gas tube
• AR-10 long super compensator muzzle brake with 5/8x24 thread pitch

Perfect For

• Precision shooters building LR-308 platforms in 6.5 Creedmoor
• Hunters seeking extended range capability in a modular upper assembly
• Builders who already own LR-308 lower receivers and want a complete upper
• Shooters wanting a heavy barrel configuration for accuracy and heat management

Precision-Focused Caliber Selection

The 6.5 Creedmoor caliber delivers excellent ballistic performance in a modern AR-10 platform. The 1:8 twist rate stabilizes heavier projectiles effectively, making this upper suitable for both hunting and target shooting applications. The caliber choice reflects a balance between velocity, wind resistance, and recoil management compared to standard .308 Winchester loads.

Barrel and Gas System Integration

The 20-inch heavy fluted barrel reduces weight while maintaining rigidity for consistent accuracy. The rifle-length gas system pairs naturally with this barrel length, optimizing dwell time for reliable cycling. The low profile gas block integrates seamlessly with the M-LOK handguard without requiring additional rail space or adapter components.

Handguard and Accessory Mounting

The 19-inch M-LOK handguard provides ample real estate for mounting optics, lights, or other tactical accessories. M-LOK attachment points distribute load evenly across the handguard structure. The DPMS low profile design maintains a slim profile while preserving full compatibility with LR-308 platforms.

Nitride BCG and Reliability

The Recoil Technologies nitride bolt carrier group handles multiple calibers within the LR-308 family. Nitride finishing provides corrosion resistance and reduces friction compared to parkerized alternatives. The BCG cycles 6.5 Creedmoor, .308 Winchester, and .243 Winchester ammunition without modification.

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