Home / Accessory-Silencer Accessories / SilencerCo PISTON 1/2X28 SN SOFT SHOULDER View cart “Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24” has been added to your cart. Sale! SilencerCo PISTON 1/2X28 SN SOFT SHOULDER$8900 Original price was: $8900.$8211Current price is: $8211. Out of stock SKU: AC1756 Category: Accessory-Silencer Accessories Product ID: 60085 Description Description 9mm Piston For Osprey/OctaneFits G43,M&P Shield, and P938Fits any Soft Shoulder Pistol Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. SilencerCo DELTA 1/2X28 THREAD SPACER $1900