Blaser Quick Detachable Aluminum Saddle Mount with 30mm low rings Blaser QD Saddle Mount Complete with 30mm Low Rings. With a QD Mount, this allows the scope to be detached and/or replaced as often as required without affecting zero. The Saddle Mount also facilitates the exchange of rifle scopes with or without a rail. Blaser Quick Detach Saddle Mount with 30mm low alloy rings