WHAT DOES COLT 20 ROUND MAGAZINE MEAN?

Bore Situation: The bore is vibrant, the rifling is sharp. There isn't any erosion during the bore. The feed ramps are clean and shiny. In this author’s view the bore charges 9/10.*Beauty blemishes tend not to impact fit or operation of your upper group. All BCM upper teams are head spaced and examination fired for operation just before staying p