Home / Accessory-Silencer Accessories / Dead Air Armament KEYMICRO ADAPTER View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” has been added to your cart. Sale! Dead Air Armament KEYMICRO ADAPTER$24900 $19126 Out of stock SKU: DA451 Category: Accessory-Silencer Accessories Product ID: 44343 Description Description For Ghost-M, Wolfman, Wolf9SD Related products Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 $7135 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135