A detachable box magazine designed for AR-platform rifles chambered in 7.62x39mm, typically made of polymer or metal, serves as the ammunition feeding device for these firearms. These magazines vary in capacity, commonly holding 10, 20, or 30 rounds. They function by holding cartridges in a staggered column, allowing the firearm’s bolt to strip and feed rounds into the chamber.
Reliable feeding is critical for the proper function of any semi-automatic rifle. The choice of a durable and well-manufactured magazine is crucial for preventing malfunctions such as misfeeds or failures to feed, which can compromise the rifle’s effectiveness and safety. Historically, 7.62x39mm ammunition has been paired with a variety of platforms, but its increasing popularity in the AR-15 platform has driven demand for compatible magazines. This combination offers shooters an alternative caliber choice in a familiar platform, often at a lower cost per round than other AR-15 calibers.