Only clearly show this consumer It's a 72B prefix built just before them going to the duller end, which began at all around 73B0500. Anything at all having a 71B or 72B should have the previous shinier end. It appears Colt is just using the identical SN sequence for multiple https://1911-classic-royal-blue47777.dm-blog.com/31834506/5-simple-statements-about-1911-classic-royal-blue-explained