Allen Engineering Recce Collar 5.56mm (.223) Black is the configuration on this listing. The listed caliber is 5.56mm (.223). The listed color is Black. Additional information repeats only the stored manufacturer, model, and the fields that came with this row. If a measurement is not in that list and is not in the name, this page does not supply it. Nothing here states an overall length, a weight, or a sound rating.

When two Allen Engineering listings look alike, compare caliber, finish, color, and model name only where those fields are filled in. This page is Allen Engineering Recce Collar.