The Wethrin 16-inch AR-15 6.5 Grendel Complete Upper from Davidson Defense is engineered for precision shooting and dependable performance across diverse conditions. Constructed from lightweight 7075-T6 aluminum, the upper receiver features an anodized finish for added durability. The 16-inch barrel is crafted from 4150 Chrome Moly Vanadium steel, finished with nitride, and designed with a 1:8 twist rate for optimal stabilization of the 6.5 Grendel cartridge. Its H-Bar profile balances weight and resistance, while the carbine gas system ensures reliable cycling.
The upper is equipped with a Mil-Spec AR-15 charging handle and a 6.5 Grendel II QPQ Nitride complete bolt carrier group, promising solid reliability. A low-profile .750 gas block and M-Lok handguard allow for modularity and attachment options, supporting a customizable shooting experience. The included GI Birdcage flash hider, threaded 5/8x24, completes this robust build, making it an ideal choice for any gunsmith focused on performance.
Caliber: 6.5 Grendel
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 5/8x24
Barrel Length: 16
Barrel Finish: Nitride
Barrel Profile: H-Bar
Barrel Twist Rate: 1:8
Gas System: Carbine
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Charging Handle: AR-15 Mil-Spec Charging Handle
Charging Handle Material: Aluminum
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier Name: 6.5 Grendel II QPQ Nitride Complete Bolt Carrier Group
Gas Block Size: 0.75
Gas Block Name: Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
Handguard Style: M-Lok
Handguard Color: Black
Upper Receiver Name: Mil-Spec AR-15 Upper w/ M4 Feedramps
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