New BCA left side charging Receiver/BCG combo! This billet upper fits any Mil-spec lower receiver. This combo includes a BCA side charger BCG, a left-side charging (Gen2) handle (patent protected) and the BCA side charging upper. This combo is perfect for a bolt action/Semi auto build or perfect for an ergonomic and unique work horse build.
- M4 Flat Top Upper Receiver
- Left Handed Side Charging
- Made from 7075 Aircraft Aluminum
- Includes BCA BCG, Side Charging Bolt Handle
- Anodized Black
