“76% frame” and “80% frame” are common industry and marketing terms. Neither percentage is a fixed federal legal classification or a guarantee that an item is, or is not, regulated as a firearm. The legal treatment of a particular item can...
Quick answer: A P80 is commonly used as shorthand for a Polymer80-style pistol frame, blank frame, serialized frame, or related Glock-compatible build platform. A Glock is a factory-manufactured pistol sold as a completed, serialized firearm. The biggest differences...