The Blackglass 16-inch Carbine-Gas 1:8 .338 ARC AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build from Davidson Defense offers a robust configuration for precision shooting. It features a 16" heavy barrel made from 4150 CMV Steel with a 1:8 twist rate, optimized for .338 ARC. The carbine-length gas system paired with a micro low-profile gas block improves reliability.
The barrel is finished with a parkerized treatment and utilizes a 5/8x24 thread pitch for compatibility with various muzzle devices, including the KAK Compensator. The upper receiver is constructed from 7075 T6 aluminum with an anodized finish, ensuring durability. The 15" M-Lok freefloat handguard, made from lightweight 6061-T6 aluminum and finished with Type II hard coat anodizing, allows for versatile attachment options. Completing this upper is an AR-15 QPQ Nitride complete bolt carrier group and a mil-spec charging handle, providing a reliable platform for gunsmiths who appreciate freedom in their builds.
Caliber: .338 ARC
Barrel Length: 16"
Barrel Twist Rate: 1:8
Barrel Profile: HBAR (Heavy Barrel)
Barrel Material: 4150 CMV Steel
Barrel Gas System Length: Carbine-Length
Gas Block Size: 0.750"
Barrel Finish: Parkerized
Barrel Thread Pitch: 5/8x24
Handguard Style: M-Lok Free Float
Handguard Length: 15”
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Finish: Type II Hard Coat Anodized
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Bolt Carrier Name: AR-15 QPQ Nitride Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel (Bolt Head), 8620 Alloy Steel (Body)
Bolt Carrier Finish: Nitride
Muzzle Device: KAK Compensator 5/8-24
Muzzle Thread Pitch: 5/8x24
Gas Block Name: Micro Low-Profile Gas Block
Gas Block Material: Steel
Gas Block Finish: Phosphate
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
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