This upper build kit from Davidson Defense features a Bear Creek 10.5-inch HBAR profile barrel chambered in 6.5 Grendel with a 1-8 twist rate and pistol-length gas system. The barrel is 4150 Chrome Moly Vanadium steel with a phosphate finish and a 5/8x24 thread pitch. The AR-15 upper receiver is 7075-T6 anodized aluminum. BCG and charging handle are not included.
The Bear Creek 10.5-inch HBAR profile barrel is 4150 Chrome Moly Vanadium steel with a phosphate finish, a 1-8 twist rate, and a 5/8x24 thread pitch. The pistol-length gas system pairs with the micro low-profile gas block included in this kit.
The AR-15 upper receiver is 7075-T6 anodized aluminum. The Trinity Force ATLAS 10-inch freefloat Keymod handguard provides modular attachment points along its length.
This kit includes an AR-15/AR-10 .308 birdcage flash hider.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included.
Platform: AR-15
Caliber: 6.5 Grendel
Barrel: Bear Creek 10.5-inch 6.5 Grendel AR-15 Barrel, Pistol Gas, HBar, 1:8T, Parkerized 4150 CrMoV, 0.750, 5/8x24
Barrel Material: 4150 CrMoV
Barrel Length: 10.5-inch
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Pistol
Barrel Finish: Phosphate
Barrel Profile: HBAR
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aluminum
Handguard: Trinity Force ATLAS 10-inch KeyMod Rail Ultra Super Slim Handguard
Handguard Color: Black
Handguard Style: Keymod
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 for .308 7.62x39 .300 Blackout
Muzzle Thread Pitch: 5/8x24
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