The Rustfire 16-inch AR-15 .300 BLK Rifle Upper Build Kit from Davidson Defense is engineered for durability and precision, making it an ideal choice for gunsmiths and shooting enthusiasts. This kit features a 16-inch .300 Blackout AR-15 barrel with a HBAR profile, crafted from 4150 Chrome Moly Vanadium steel and finished with a phosphate coating. The barrel has a 1:8 twist rate, a pistol gas system, and a thread pitch of 5/8x24, ensuring reliable performance.
The stripped upper receiver is made from robust 7075 T6 aluminum and has M4 feed ramps, finished in anodized aluminum. Completing the assembly is an M-LOK handguard in anodized bronze, designed for easy attachment of accessories. The kit also includes a GI Birdcage flash hider to manage muzzle rise and provide a tactical advantage. This build kit offers reliable assembly and performance for those who value firearm freedom.
Barrel Name: AR-15 16" .300 BLK OUT, Pistol Gas, HBAR, 1:8 T, Phosphate Barrel
Caliber: .300 Blackout
Barrel Length: 16-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Phosphate
Barrel Profile: HBAR
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Gas System Length: Pistol
Gas Block Size: 0.75
Upper Receiver Name: Stripped Upper Receiver with M4 Feed Ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aluminum
Handguard Style: M-LOK
Handguard Color: Anodized Bronze
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
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