FS: Titanium Mil-Spec-Grade MLOK rail set and Steel Key Slot Rail

Mil-Spec-Grade Steel Key Slot Rail. Mil-Spec-Grade Steel Key Slot Rail. Titanium Mil-Spec-Grade MLOK rail set. Titanium Mil-Spec-Grade MLOK rail set. This Key Slot Rail is made from Mil-Spec-Grade Steel and features a military-standard Key Slot configuration, which accepts any Key Slot accessory made for your M4. A Picatinny Rail adds additional mounting versatility. The Key Slot Rail is mounted to the M1913 rail....