Home / Accessory-Silencer Accessories / SilencerCo PISTON M13.5X1LH Sale! SilencerCo PISTON M13.5X1LH$8900 $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 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 SilencerCo O-RING BOOSTER PACK $900 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 $16957