The Spartan Zero 7.5-inch AR-15 pistol build kit from Davidson Defense is tailored for firearms enthusiasts seeking a robust and compact setup. Chambered in 5.56 NATO, this kit features a 7.5-inch barrel made from 4150 CrMoV steel with a phosphate finish, offering durability and performance. The barrel has a government profile with a 1:7 twist rate and is complemented by a premium AR-15 5.56 complete bolt carrier group made from 9310 alloy steel with a nitride finish. This kit includes an SBA5 pistol stabilizing brace, which provides improved stability during use. The upper receiver is crafted from 7075 T6 aluminum with an anodized finish, while the handguard, made from 6061-T6 aluminum, features a black M-Lok style for attachment versatility. With components specifically selected for compatibility and quality, this full build kit is ideal for custom firearm assembly.
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: Premium AR-15 5.56 Complete Bolt Carrier Group
Barrel Name: Bear Creek Arsenal 7.5" 5.56, Pistol Gas, M4 Contour, 1:7T, Phosphate
Pistol Brace: SB Tactical SBA5 Pistol Stabilizing Brace
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Gas Block Size: 0.75
Muzzle Device: Phase 5 Weapon Systems Inc Bushmaster Izzy Flash Hider IZZY-FH
Muzzle Thread Pitch: 1/2x28
Buffer Tube Weight: 3 oz.
Receiver End Plate: Mil-Spec Receiver End Plate 00P AL-1051
Carbine Castle Nut: AR-15 Carbine Castle Nut AL-1053
Carbine Recoil Spring: AR-15 Carbine Recoil Spring 00S
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