DAA Ghost Piston, 1/ 2 x 28 RH, Black Finish DA401 Out of stock. Check back later... $89.00 MSRP Price: $79.75 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info Add more pistons" add versatility to your Ghost-M. 1/2X28 Thread Pitch UPC: 810128161053Manufacturer: Dead Air ArmamentModel: DA401Category: PartsOtherStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.