Each time I find a new Colt 1911 with a visible machining anomaly it's usually a stainless model for a few odd motive. I had to handle at least two stainless Sequence 70s using this problem (both of those bought online sight unseen) in advance of I found a single https://1911-classic-royal-blue24444.ambien-blog.com/38066195/1911-classic-royal-blue-an-overview