Which rifle uses a 7.62-mm cartridge and holds a 20-round magazine?

The M14A1 rifle is a well-known firearm that uses a 7.62-mm cartridge and is designed to hold a 20-round magazine. This rifle was originally developed in the 1950s and has served various roles in the U.S. military. The combination of a powerful 7.62-mm round and a magazine capable of holding 20 rounds makes it suitable for engagements requiring accuracy at longer distances, as the 7.62-mm NATO round offers significant stopping power and range.

In contrast, the other rifles listed either do not match the specifications of the 7.62-mm cartridge or feature different magazine capacities. The M16, for example, uses a 5.56-mm cartridge and typically has a 20- or 30-round magazine but does not utilize the 7.62-mm round at all. The FN FAL can operate with a 7.62-mm cartridge and features a 20-round magazine as well, but it is not the model stated in the question. The HK G3 also fires a 7.62-mm cartridge and is equipped with a 20-round magazine, making it a similar contender, but it still does not match the specificity of the M14A1 in the context