Hornady .17 to .20 Caliber Powder Funnel Adapter. 17 Caliber Powder Funnel Adapter 586055 is an excellent accessory for optimizing your reloading process. This Hornady reloading tool fits on the end of Hornady s funnel for the small .17 and the new .20 caliber necks. The Hornady .17 Cal Powder Funnel Reloading Adapter also fits the MTM and other reloading gear. Measure powder for .17 and .20 caliber ammunition using the Hornady .17-.20 Cal Powder Measure Funnel Adapter. Specifications for Hornady .17 to .20 Caliber Powder Funnel Adapters: Manufacturer: Hornady Color: Red Features of Hornady .17 Caliber Powder Measure Funnel Adapter Tool: Accessory for optimizing powder measurements by Hornady Fits on the end of powder measure funnels Fits small .17 caliber and new .20 caliber necks Also fits MTM and other measures Package Contents: Hornady .17 to .20 Caliber Powder Funnel Adapter Hornady 586055: .17 to .20 Caliber Powder Funnel Adapter