Details
The Jawbreaker II 16-inch Carbine-Gas .223 Wylde AR-15 build kit is tailored for gunsmiths seeking a reliable and versatile platform. This kit features a 16-inch HBAR barrel made from 4150 Chrome Moly Vanadium steel, with a 1:8 twist rate for improved accuracy across a range of bullet weights. The barrel is finished with a durable parkerized coating and includes a GI Birdcage flash hider with a 1/2×28 thread pitch.
The freefloat M-Lok handguard, crafted from 6061-T6 aluminum, offers ample attachment options for accessories while keeping the rifle lightweight. The upper receiver is a 7075 T6 aluminum variant and includes M4 feed ramps for reliable feeding. The kit also comprises a complete AR-15 Bolt Carrier Group made from 9310 alloy steel, alongside a mil-spec AR-15 M4 charging handle and an adjustable Ranger stock with integrated QD mounts for optimal comfort. This build kit provides all essential components needed to construct a functional and effective .223 Wylde AR-15.
Specifications
Caliber: .223 Wylde
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Length: 16-inch
Barrel Profile: HBAR (Heavy)
Barrel Finish: Parkerized
Barrel Twist Rate: 1:8T
Barrel Gas System Length: Carbine
Barrel Thread Pitch: 1/2×28
Muzzle Device: GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2×28
Muzzle Device Finish: Manganese Phosphate
Gas Block Size: 0.75
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Rifle Stock: AR-15 Ranger Stock, Integrated QD Mounts
Stock Compatibility: Mil-Spec Carbine Buffer Tube
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