1911 Extended Thumb Safety, Blk $69.97 F500069 Colt 1911 Extended Thumb Safety. Black, machined from billet steel, not cast. Some fitting may be required, recommended to be installed by a qualified gunsmith for safety. Only 2 left in stock 1911 Extended Thumb Safety, Blk quantity Add to cart Category: Colt 1911 Related products Colt Government 1911 Variable Recoil Spring 13lb $16.97 Fusion 1911 2pc Full Length Guide Rod, Commander, Stainless $65.00