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Will these fit a Colt M1991 A1 series 80? — 1 Answer

by KOB, from VA, United States Asked on April 18, 2022

Name Meprolight Tru-Dot Tritium Night Sights for Colt Government Handguns (4.2)
$109.99 $99.99 Save $10.00
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Answered by Meprolight USA, Manufacturer from PA, United States, on May 11, 2022

That's tough to say as there is so many variants. But I can give you the measurements and hopefully that can guide you in your decision if it's compatible or not.
Bottom of Rear dovetail: .3280" long by .6275" wide. The angle of the dovetail is 64°38'
Front sight: Tenon post is .125" by .125" wide

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