Home / Accessory-Silencer Accessories / AAC (Advanced Armament) PISTON ILLUSION 9 13.5X1LH View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” has been added to your cart. Sale! AAC (Advanced Armament) PISTON ILLUSION 9 13.5X1LH$8499 Original price was: $8499.$7257Current price is: $7257. Only 2 left in stock AAC (Advanced Armament) PISTON ILLUSION 9 13.5X1LH quantity Add to cart SKU: 64245 Category: Accessory-Silencer Accessories Product ID: 38965 Description Description Fits Illusion 9 Suppressors Related products Sale! SilencerCo CHARLIE DIRECT THRD MT 5/8X24 $9900 Original price was: $9900.$9001Current price is: $9001. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351.