Home / Accessory-Silencer Accessories / Dead Air Armament GHOST PISTON .578X28 Sale! Dead Air Armament GHOST PISTON .578X28$8900 Original price was: $8900.$7865Current price is: $7865. Out of stock SKU: DA405 Category: Accessory-Silencer Accessories Product ID: 34541 Description Description Related products Sale! Dead Air Armament GHOST FIXED MOUNT 5/8X24 $8900 Original price was: $8900.$7865Current price is: $7865. Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000 Sale! Yankee Hill Machine Company BLAST DEFLECTOR 5.56/30 CAL $9095 Original price was: $9095.$8412Current price is: $8412. SilencerCo O-RING BOOSTER PACK $900