Aero Delta Ring Assembly Kit (delta ring, wave spring, c-clip) (C) Available to order on-line. Ships in 5-14 days $15.00 MSRP Price: $13.99 Description Details Reviews Shipping info UPC: 840014606498Manufacturer: Aero PrecisionModel: APRH100527CCategory: PartsOtherMisc AR-15 PartsStock: 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.