Barrel: 20" M16 Lightweight Profile, Chrome Lined Bore & Chamber, 1-12 twist, button rifled, 4150 chrome moly steel, stress relieved, 5.56x45mm NATO chamber, 1/2-28 muzzle threads, magnetic particle inspected, test fired with 10 rounds of LC ammunition, with standard height front sight base installed
Handguard: Brownells 601 Green Triangle with aluminum heatshields