The Firefight 7.5-inch AR-15 5.56 NATO Pistol Build Kit from Davidson Defense provides a solid foundation for gunsmiths seeking a durable and lightweight solution. This kit features a 7.5-inch government-profile barrel made from 4150 CrMoV steel, finished with phosphate and boasting a 1:7 twist rate. The upper receiver is crafted from 7075 T6 aluminum with an anodized finish, ensuring long-lasting performance. Included in the kit is an SB Tactical SBA5 pistol stabilizing brace, which offers superior stability and handling. The M-Lok handguard, constructed from 6061-T6 aluminum and presented in black, allows for modular customization. The build kit also comes with a mil-spec AR-15 charging handle, a complete premium bolt carrier group made from 9310 alloy steel, and a low-profile gas block. The precision-engineered muzzle device, a Phase 5 Weapon Systems Izzy Flash Hider, completes this versatile package for reliable operation.
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
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier Name: Premium AR-15 5.56 Complete Bolt Carrier Group
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Gas Block Size: 0.750
Muzzle Device: Phase 5 Weapon Systems Inc Bushmaster Izzy Flash Hider
Muzzle Thread Pitch: 1/2x28
Brace Name: SB Tactical SBA5 Pistol Stabilizing Brace
Buffer Tube Components: Mil-Spec Buffer Tube
Buffer Weight: 3 oz.
Buffer Spring: AR-15 Carbine Recoil Spring 00S
End Plate: Mil-Spec Receiver End Plate 00P AL-1051
Castle Nut: AR-15 Carbine Castle Nut AL-1053
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