The Holosun Technologies 509PLT-FNX45 Adapter for FNX-45 is engineered for durability and precision, making it an ideal optic mount for FNX-45 users.Crafted from robust 6061 aircraft aluminum, this adapter is CNC machined for optimal performance, ensuring reliability across demanding conditions suitable for law enforcement and military applications.Compatible with FNX-45 Optic Cut Slides6061 aircraft aluminum constructionCorrosion-resistant anodized finishElevate your shooting experience with the Holosun 509PLT-FNX45 Adapter, built for toughness and adaptability.