HUB ADAPTER 1.375X24AAC (Advanced Armament) Hub Adapter - Black OxideSKU: ADSR-105495$79.99PriceQuantity*Add to CartSpecifications Manufacturer model: SR-105495 UPC: 810141223233 Type: Accessory-Silencer Accessories Finish: Black Oxide Feature 1: 1.375 x 24 Threads Feature 2: For 1×16 Left-Hand Muzzle Dev