Surefire Muzzle Brake, Suppressor Adapter, 338 Lapua, 3/4x24, Right Hand, Black SFMB-338-3/4-24 In stock at Eden Prairie store. Available today! $199.00 MSRP Price: $179.00 Description Details Reviews Shipping info 5/8 x 24 RH UPC: 084871324175Manufacturer: SurefireModel: SFMB-338-3/4-24Caliber: 338 LapuaCategory: PartsOtherMisc AR-15 PartsStock: 1Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.