.400 Legend AR Barrels – Straight-Wall Hunting Performance
.400 Legend AR Barrels – Straight-Wall Hunting Performance
Designed for hunters and shooters in straight-wall cartridge states, .400 Legend barrels from Moriarti Armaments offer enhanced knockdown power, flatter trajectories, and low recoil—all in a compact, AR-15-compatible platform. Whether you're preparing for whitetail season or building a compliant brush gun, our .400 Legend barrels deliver modern performance in a classic hunting profile.
AR-15 .400 Legend 16" Barrel | 1:16 Twist | Carbine Gas
Configure a .400 Legend AR-15 rifle around this 16" .400 Legend barrel, manufactured from durable 41..
AR-15 .400 Legend 18" Barrel | 1:16 Twist | Carbine Gas
Built for a longer .400 Legend AR-15 rifle configuration, this 18" .400 Legend barrel combines a med..
AR-15 .400 Legend 10.5" Pistol Barrel | 1:16 Twist | Pistol Gas
Build a compact .400 Legend AR-15 configuration around this 10.5" .400 Legend pistol barrel. Manufac..
AR-400 Legend 7.5" Government Profile Pistol Barrel – 1:16 Twist, 4150 CrMoV, Black Nitride
Built for short, powerful AR pistols, this 7.5” .400 Legend barrel features a Government profile, 1:..