Browning's x-bolt scope base is lightweight, strong and solid.Machined high quality aircraft grade alloy, the two-piece base will work with browning rings, or weaver-style rings.This model has a blued gloss finish and is compatible with x-bolt with x-lock.Will not accept picatinny-style ringsType: 2-Piece BaseModel: Two-Piece Scope BaseStyle: WeaverFinish: GlossMaterial: AluminumPieces: 2Gun Type: RifleMount Type: X-LockRings Included: No