Home / Accessory-Silencer Accessories / SilencerCo PISTON 1/2X28 SN SOFT SHOULDER View cart “Gemtech THREAD PROTECTOR 1/2-28 RF” has been added to your cart. Sale! SilencerCo PISTON 1/2X28 SN SOFT SHOULDER$8900 $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.578X28 $7495 $7135 Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 SilencerCo DELTA 1/2X28 THREAD SPACER $1900