OSS RAD Piston .578x28 In stock at Eden Prairie store. Available today! $88.00 MSRP Price: $79.00 Description Details Reviews Shipping info UPC: 706433763375Manufacturer: OSS Operators SuppressorsModel: 1822Category: PartsOtherStock: 2Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.