This complete upper includes a 10.5 inch 338 ARC barrel, M-Lok freefloat handguard, complete bolt carrier group with nitride finish, and charging handle. The upper receiver is forged 7075-T6 aluminum with anodized finish and M4 feed ramps. The barrel is Bear Creek 4150 CrMoV steel with phosphate finish, HBAR profile, and 1 in 8 twist rate. The handguard is 6061-T6 aluminum.
This upper includes all components needed for immediate installation on a compatible AR-15 lower receiver. The bolt carrier group and charging handle are included, eliminating the need for additional upper components.
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 micro low profile gas block sits under the handguard for a clean profile. The birdcage flash hider provides standard muzzle device function.
The handguard features M-Lok attachment slots for modular accessory placement. The freefloat design isolates the barrel from handguard contact. The 6061-T6 aluminum construction maintains a lightweight profile while providing structural integrity.
The complete bolt carrier group features a nitride finish for enhanced corrosion resistance and reduced friction. The BCG is paired with a charging handle for complete upper functionality. The upper receiver features M4 feed ramps for reliable feeding with AR-15 platforms.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.
Caliber: .338 ARC
Barrel: Bear Creek 10.5-inch .338 ARC
Barrel Length: 10.5-inch
Barrel Material: 4150 CrMoV
Barrel Finish: Phosphate
Barrel Profile: HBAR
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Pistol
Handguard Material: 6061-T6 Aluminum
Handguard Style: Free Float M-Lok
Handguard Color: Black
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Bolt Carrier: AR-15 6.5 Grendel II QPQ Nitride Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: QPQ Nitride
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.750
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
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