Doublestar Extractor Kit, Extractor Spring/Pad/Pin, 3 Gas Rings, O-ring, Black AR790 Available to order on-line. Ships in 5-14 days Price: $27.99 Description Details Reviews Shipping info The bolt rebuild kit provides everything you need to rebuild your AR15 bolt. 1 Extractor 1 Extractor Spring with Bumper Pad 1 set of 3 Gas Rings 1 O Ring 1 Extractor Pin UPC: 841348104070Manufacturer: Doublestar CorporationModel: AR790Category: 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.