| L4/L5 | |
|---|---|
| Type | Multiple-barrel firearm | 
| Place of origin | United States | 
| Production history | |
| Designer | Martin Grier | 
| Designed | 2018 | 
| Specifications | |
| Mass | 6.5 lbs | 
| Caliber | 6mm | 
| Action | Electronic | 
| Feed system | 4 or 5-round charge blocks | 
The L4 and L5, also called the Ribbon Gun, is a prototype, caseless, multi-bore selective fire rifle with an electronic firing system. The firearm was designed and built by Martin Grier, of Forward Defense Munitions, based in Colorado Springs, spending $500,000 in development. In 2018, The U.S. Army requested a prototype for testing as a potential replacement for the M16 rifle. [1] [2] [3] [4] [5] [6] [7] [8]