Leupold Standard STD 1" Scope Rings Medium, Matte Black - 49901 These Leupold Standard Rings, 1",49901 are a solid choice for anyone who wants to mount a scope to their firearm. They offer supremely close machining tolerances, providing an experience of ease and efficiency while you're out in the field. Engineered to match up with STD one-piece and STD two-piece bases, you have plenty of options for connecting these useful rings. As hunters and shooters commonly opt for rings that position the scope as low as possible, this set of Leupold extension rings, med matte allows you to shorten or lengthen your ring spacing on rifles to meet your varying needs. These rifle accessories mount on the front of STD and QR bases and are available for 1", 26mm (QR only) and 30mm main tubes. Constructed from machined steel, these rings are extremely durable and stand up to the elements without a problem. Leupold 49901 Standard 1" Rings, Med Matte: Machined steel constructionSupremely close machining tolerancesDurable scope ringsOffer 5/8" of additional ring spacing adjustmentEngineered to match up with STD one-piece and STD two-piece basesMount on the front of STD and QR bases