Key Features Precision-machined 6061 aluminum construction for lightweight yet durable protection MIL-SPEC Type III hardcoat anodized black finish resists wear, corrosion, and harsh environments Stainless steel mounting hardware included for secure, reliable attachment Direct mount compatibility with RMR-cut slides, FNX45, Springfield Armory Echelon, SIG SAUER RMR, and FN509 platforms Compact dimensions measuring 2.2 inches long by 1.5 inches wide by 1.3 inches high, weighing just 1.5 ounces Specifications Material: 6061 aluminum shroud with stainless steel hardware Finish: MIL-SPEC Type III hard anodized - Black Weight: 1.5 oz Dimensions: 2.2" L x 1.5" W x 1.3" H Compatibility Note: Adapter plates may be required for certain firearms; shroud does not include optic or mounting plate