LWRC IC Semi-automatic Complete Lower Receiver 223 Remington 556NATO N/A Black N/A ICL5B The LWRC IC lower is fully ambidextrous, allowing the shooter to access all controls on the lower without needing to change their grip. Machined directly into the receiver to maximize ergonomics and function are an enhanced, flared magwell and ambidextrous magazine and bolt catch mechanisms. An enlarged winter-style trigger guard houses LWRC's Enhanced Fire Control Group, giving the shooter a smooth pull every time.