Home / Accessory-Silencer Accessories / SilencerCo PISTON 5/8X24 Sale! SilencerCo PISTON 5/8X24$8900 $8211 Out of stock SKU: AC30 Category: Accessory-Silencer Accessories Product ID: 58752 Description Description Piston for Osprey/Octane300 AAC Blackout Subsonic Related products Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Gemtech THREAD PROTECTOR 1/2-28 RF $1800