Home / Accessory-Silencer Accessories / SilencerCo PISTON 1/2X28 EXTENDED Sale! SilencerCo PISTON 1/2X28 EXTENDED$8900 Original price was: $8900.$8211Current price is: $8211. In stock SilencerCo PISTON 1/2X28 EXTENDED quantity Add to cart SKU: AC59 Category: Accessory-Silencer Accessories Product ID: 54351 Description Description Piston for Ospery/OctaneExtendedThread for Colt,RRA,Bushmaster Related products Gemtech PISTON GM-45 LID USP $14800 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 Original price was: $8500.$8444Current price is: $8444. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7895 Original price was: $7895.$7188Current price is: $7188. Sale! SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK $9400 Original price was: $9400.$8606Current price is: $8606.