Hornady Rapid Rack ECI.
- Hornady, Rapid Rack, Empty Chamber Indicator for AR-15 Rifles, 223REM/5.56NATO.
- Empty Chamber Indicator.
- Also Operates as a Load-Assist Device.
- Product Description.
- Hornady Security(R) products feature patent-pending technologies to provide firearm owners, or anyone wanting to protect their valuables, enhanced peace of mind.