Custom Colt Government Model 1911, .45 cal. auto pistol. Seria l#10599B70. Excellent condition.  Blue finish is 95% and nice. Series 80 slide on a 70 series frame. 5 inch 70 series barrel has an excellent bore. Action is tight and nice. Crisp trigger. Fixed combat sights . Pachmayr rubber wrap around grips are excellent.  Aluminum trigger. A great shooter or carry gun! The best of both Colt series!