The Wilson Combat ambidextrous thumb safety, tactical levers, bullet proof, stainless billet steel construction, precision CNC machined for a long-lasting, wobble-free fit. A unique hammer pin holds the right side lever securely in place without using the grips to hold your safety in place. Pre-shaped and contoured for a perfect, comfortable feel right out of the package. Fitting is required, available in Blue and stainless. Wilson Combat parts and accessories have an unmatched level of exceptional reliability and Peerless craftsmanship..