I have a Colt 6933 FBI(HB) and it is chrome lined. Is the Sig Virtus chrome lined? Based on this pic? Sig says it is nitride. It sure looks chromed based on the chamber. FDE is Virtus 5.56. Can some of you weigh in please. Thanks


I have a Colt 6933 FBI(HB) and it is chrome lined. Is the Sig Virtus chrome lined? Based on this pic? Sig says it is nitride. It sure looks chromed based on the chamber. FDE is Virtus 5.56. Can some of you weigh in please. Thanks

