Fixed Rear Sight for 1911s having the USGI sight cut, such as Colt Series '70 & Classic Models and others
Retro rear sight for USGI spec dovetail
Retro rear sight - Gunsmith style
AKA - The truth about sight heights!
Labor to replace your existing rear sight, no machine work. Insured return shipping back to you is $25.50 additional
Advise for what to expect when replacing dovetail mounted sights on your 1911