Wilson Combat 423S Thumb Safety High Ride 1911 Stainless Steel Handgun AmbidextrousWilson Combat High Ride Ambidextrious Safety. All Wilson Combat custom firearm accessories are the result of years of hands on experience, customer input or evolution of a proven product. Through years of experience building custom pistols and in competition, Wilson Combat learned firsthand which components break and which would not, leading to development of bullet proof components including slide stops, extractors, firing pins and firing pin stops.