FACTS ABOUT COLT UPPER RECEIVER FOR SALE REVEALED

Bore Issue: The bore is shiny, the rifling is sharp. There is no erosion within the bore. The feed ramps are smooth and glossy. On this author’s belief the bore premiums 9/ten.Precision taking pictures is another compelling basis for the AR 15 20 inch upper, The explanation is security: fewer lateral motion less than recoil ensures that a shooter