DAA Ghost Piston, M13.5x1LH, Black Finish DA402 Available to order on-line. Ships in 5-14 days $89.00 MSRP Price: $79.75 Description Details Reviews Shipping info Add more pistons" add versatility to your Ghost-M. M13.51LH Thread Pitch UPC: 810042340800Manufacturer: Dead Air ArmamentModel: DA402Category: PartsOtherStock: Ships in 5-14 business days.Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.