Home / Accessory-Silencer Accessories / AAC (Advanced Armament) PISTON ILLUSION 9 13.5X1LH View cart “Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI” 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 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 Original price was: $8500.$7561Current price is: $7561.