Home / Accessory-Silencer Accessories / SilencerCo PISTON 5/8X24 Sale! SilencerCo PISTON 5/8X24$8900 Original price was: $8900.$8211Current price is: $8211. In stock SilencerCo PISTON 5/8X24 quantity Add to cart SKU: AC30 Category: Accessory-Silencer Accessories Product ID: 58752 Description Description Piston for Osprey/Octane300 AAC Blackout Subsonic Related products SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24 $8000 Original price was: $8000.$7196Current price is: $7196. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135.