AK-47-type guns turn up more often in U.S.

Records show a marked increase in the number of AK-type weapons traced and entered into a federal computer database because they had been seized or connected to a crime.
This is additional taxonomy that helps us with analytics

Florida firm pushing sales of its American-made AK-47

How an 'ugly,' unwanted weapon became the most popular rifle in America

Comparison of the AK-47 and M16 - Wikipedia

AK-47s are turning up more in US

Law Enforcement Rejects Republicans' Push to Allow AK-47 Concealed Carry

A Look Inside] AK-47/AKM/Type 56-1 - The Icon of Warfare (Description in Comments) : r/girlsfrontline

California's complicated history with regulating assault weapons

AK47: The Story of a Gun: Hodges, Michael: 9781596922860: : Books

CIA Against Sig Sauer: AK-47 Takes On AK-47 Compatible - Gun Tests