Home / Accessory-Silencer Accessories / SilencerCo PISTON M13.5X1LH Sale! SilencerCo PISTON M13.5X1LH$8900 Original price was: $8900.$8211Current price is: $8211. Out of stock SKU: AC26 Category: Accessory-Silencer Accessories Product ID: 44496 Description Description 9mm Piston For Osprey/OctaneThread for Sig,HK,WaltherGlock Factory Thread Barrel Related products SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Gemtech THREAD PROTECTOR 1/2-28 RF $1800