Pick your AR-15 parts slot by slot. Start anywhere, click the outline to focus a slot, and compare compatible parts side by side.
The core upper housing for the bolt and barrel extension.
The serialized lower with fire control and magwell.
Length and profile drive handling, velocity, and gas.
Mounting interface and length for support hand placement.
Dial in length of pull, cheek weld, and balance.
The heart of the action - cycles rounds and extracts casings.
Improves manipulation under optics and with gloves.
Ergonomic control surface for trigger hand.
Ambi control with configurable throw and lever shape.
Pull weight, reset, and feel for precision shooting.
Red dots, LPVOs, and magnified optics for target acquisition.
Illuminate targets and identify threats in low light.
Feed reliability and capacity, especially with duty mags.
Flash hiders, brakes, and compensators for recoil control.
