The Argent Fang 12.5-inch LR-308 .308 Win pistol upper build kit from Davidson Defense is forged for those who thrive in the chaos and demand absolute control over their firepower. Like its namesake, this upper strikes fast and hard—built around a 12.5-inch 4150 Chrome Moly Vanadium barrel with a nitride finish that shrugs off heat and punishment. The medium profile and 1:10 twist rate ensure it devours a wide range of .308 loads with precision.
A carbine-length gas system paired with a 0.75-inch gas block journal keeps cycling smooth and reliable under pressure. Up front, a steel flash can muzzle device channels the beast’s roar downrange, all while maintaining a standard 5/8x24 thread pitch for easy upgrades. Wrapping it all together is a 13-inch Troy Industries carbon fiber M-LOK battle rail—ultra-light, brutally tough, and built for full tactical freedom. If you're looking to build something worthy of legends, the Argent Fang delivers the bite.
Caliber: .308 Winchester
Barrel Length: 12.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Gas System Length: Carbine
Gas Block Journal: 0.75 inch
Barrel Thread Pitch: 5/8x24
Muzzle Device: Steel flash can design
Muzzle Thread Pitch: 5/8x24
Handguard: Troy Industries 13-inch M-LOK Battle Rail
Handguard Material: Carbon fiber
Handguard Color: Black (carbon fiber finish)
Handguard Style: M-LOK
Gas Tube Material: Stainless steel
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