The Firefight 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit from Davidson Defense offers a robust solution for firearms enthusiasts seeking a compact and reliable upper assembly. Featuring a 7.5-inch 4150 CrMoV barrel with a government profile and a 1:7 twist rate, this kit ensures precision performance with 5.56x45mm NATO ammunition. The barrel is finished with phosphate and has a thread pitch of 1/2x28, compatible with various muzzle devices, including the included Bushmaster Izzy Flash Hider. The upper receiver is constructed from durable 7075 T6 aluminum with an anodized finish, ensuring longevity in any conditions. The kit also includes a lightweight M-Lok handguard made of 6061-T6 aluminum in black, providing optimal accessory attachment options. The 0.750 gas block size and pistol gas system contribute to reliable cycling, making this build kit a solid choice for gunsmiths who value functionality and performance in their firearms.
Caliber: 5.56x45mm NATO
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Length: 7.5-inch
Barrel Finish: Phosphate
Barrel Profile: Government
Barrel Twist Rate: 1:7
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Gas Block Size: 0.750
Gas System: Pistol
Muzzle Device: Flash Hider
Muzzle Device Name: Bushmaster Izzy Flash Hider IZZY-FH
Muzzle Thread Pitch: 1/2x28
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