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 1 left in stock 1911 Extended Thumb Safety, Blk quantity Add to cart Category: Colt 1911 Related products Colt Officer Conventional Recoil Spring 24lb. $14.97 Colt 1911 Pin Kit, BL $54.97