The Davidson Defense Hardlight is an 11.5-inch carbine-gas complete upper build engineered for outstanding performance in AR-15 platforms. Chambered in .223 Wylde, this upper features a KAK Industry 11.5-inch barrel with a 1:8 twist rate, constructed from 4140 CrMoV steel and treated with a nitride finish for enhanced durability and longevity. The carbine-length gas system with .750 gas block size ensures reliable cycling across various ammunition types. The 10-inch Trinity Force MX10 M-Lok handguard provides a freefloat design with anti-rotation tabs, promoting accuracy and versatile accessory attachment. Constructed from 7075-T6 aluminum with an anodized finish, the upper receiver delivers robust protection while maintaining lightweight characteristics. A reliable AR-15 M4 charging handle and complete bolt carrier group made from 9310 alloy steel round out this comprehensive upper assembly.
The 11.5-inch KAK Industry barrel is chambered in .223 Wylde, a hybrid chamber designed to maximize accuracy with .223 Remington while maintaining full compatibility with 5.56 NATO. Built from 4140 CrMoV steel and finished with nitride, this barrel offers superior wear resistance and extended service life. The 1:8 twist rate stabilizes a wide range of bullet weights effectively.
The carbine-length gas system is optimized for the 11.5-inch barrel length, utilizing a .750 gas block size for proper cycling pressure and reliable function. This configuration ensures consistent operation across various ammunition types.
The 10-inch Trinity Force MX10 M-Lok freefloat handguard features anti-rotation tabs for secure installation and multiple attachment points for lights, grips, and other accessories. The freefloat design eliminates barrel contact, supporting consistent accuracy and improved heat dissipation while maintaining a lightweight profile.
Constructed from 7075-T6 aluminum with an anodized finish, the upper receiver provides robust protection against corrosion and wear while maintaining lightweight characteristics. Precision-machined for durability and compatibility with mil-spec components.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.
Caliber: .223 Wylde
Barrel Length: 11.5 inches
Barrel Material: 4140 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:8
Barrel Gas System Length: Carbine
Gas Block Size: 0.750
Handguard: Trinity Force MX10 M-Lok Rail 10-inch Handguard with Anti-Rotation Tabs
Handguard Length: 10 inches
Handguard Style: Free Float M-LOK
Handguard Color: Black
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Thread Pitch: 1/2x28
Muzzle Device: Flash Hider
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