Eastern Maine Shooting Supplies, Inc. EMSS1346 Brass Adapter 10/32 To 5/16-27 Check Out Our Listings For Other Available Adapters Male Thread Listed First / Female Thread Listed Second(Unless Otherwise Specified) *Please Note That All Of The Brass & Aluminum Supplies Are Made On Site. Sometimes Machine Setup Is Involved If Our Inventory Is Low. This Might Lead To A Slight Delay In Shipping Time. If That Is The Case, I Will Always Email You And Let You Know In Case You Need To Cancel. Thank You For Your Understanding. Please Visit Our Store For More Sizes And Choices