The AAC Illusion 9 Piston M13.5x1 LH is a dedicated suppressor accessory engineered to let shooters easily convert their Illusion 9 silencer to barrels cut with M13.5x1 left-hand threads. Built from heat-treated stainless steel with a matte bead-blasted finish, this piston installs in the rear of the suppressor to provide secure, repeatable alignment and reliable performance across compatible host firearms.

This model is ideal for owners who run multiple threaded barrels and want a simple way to swap their Illusion 9 between different pistols without tools or complex adjustments. By matching the correct piston to your barrel thread pitch, you maintain proper suppressor fit while maximizing versatility for range use, training, or general shooting. Advanced Armament Co is known for thoughtful suppressor design and durable components that stand up to regular use.

• Manufacturer: AAC
• Model: Illusion 9 Piston M13.5x1 LH
• Unique Features: Heat-treated stainless steel construction, bead-blasted matte finish, engraved thread specification