AR-15 Lower Receiver Components

STNGR USA

STNGR Ambidextrous AR-15 Lower Parts Kit

Aero Precision

Aero Precision AR15 MOE Lower Parts Kit - Black

Armaspec AR-15 Superlight Gun Builder Kit

Magpul Industries

Magpul DT Carbine Stock – MIL-SPEC AR-15 – MAG1377

Aero Precision

Aero Precision AR15 Carbine Buffer Kit

Armaspec

Armaspec Gen 4 Stealth Recoil Spring Kit for AR-15 - Carbine, H1, H2 Weights

Radian Weapons

Radian Weapons Talon Ambidextrous AR 15 Safety Selector 4 Lever Kit