Ergo 4813-Spectre Z-Rail Free Float AR15/M15 Rail System, Spectre Length

More than just a standard quad-Pictinny Rail, the Ergo Z Float Rail is engineered for maximum performance for both the shooter and the rifle. This two-piece system is thinner than it is tall, making it lighter weight, more compact and easier to grip than other quad rails systems.

- Two piece 6061 T6 hard matte black anodized aluminum construction
- Thinner profile for enhanced forward control
- Easy installation without removing barrel
- Black hard anodized finish
- Includes Black ERGO LowPro Rail Covers
- Requires removal of delta ring
- Piston system compatible
- Weight: 15 ounces