The Sons of Liberty Gun Works Enhanced Blaster Guts B5 Ambidextrous lower parts kit upgrades your AR-15 lower receiver with mil-spec components and ambidextrous controls.
- Part Type: Complete Lower Parts Kit with Ambidextrous Safety
- Compatible Firearms: AR-15 Pattern Lower Receivers
- Material: Steel and Aluminum Components
- Finish: Black
- Installation: Armorer Tools Required, Professional Recommended for Inexperienced Builders
- Includes: All Pins, Springs, Detents, Ambidextrous Safety Selector, B5 Systems Grip, Hardware










