Firefield Edge12in Keymod Rail Black. This short-sized multi-purpose handguard and rail system boasts lightweight yet heavy-duty aircraft-grade 6061-T6 hard-anodized matte black aluminum and a precision-machined skeletonized design. Perfect for carbine rifles and true to Firefield's mantra "Forged in Victory" the Firefield Edge 7" Rail includes enough keymod system space to mount just that... everything including your suppressor. Specifications for Firefield Edge Keymod Tactical Rail: Manufacturer: Firefield Color: Black Finish: Hard Anodized Matte Fabric/Material: Aluminum Gun Rail: Weaver Picatinny Gun Type: Rifle Width: 1.6 in Included Accessories: Hex Key Condition: New Package Contents: Firefield Edge Keymod Tactical Rail Firefield FF34051: Edge12in Keymod Rail Black