Choose a Starting Configuration
Select a preset to begin customizing your AR-15. Each preset comes with different default parts and visual styling.
RecommendedM16A2
The M16A2 is a military adaptation of the AR-15 rifle. It features a 20-inch barrel, fixed stock, and is chambered in 5.56×45mm NATO.
M4A1
The M4A1 is a fully automatic variant of the M4 carbine. It features a 14.5-inch barrel, collapsible stock, and is the standard service rifle of the U.S. military.
Mk 18 CQBR
The Mk 18 CQBR (Close Quarters Battle Receiver) is a compact variant used by U.S. special operations. It features a 10.3-inch barrel optimized for close quarters combat.