Somali pirates typically acquire their AK-47 weapons through a variety of means, often linked to the region's instability and the availability of arms. Here are some common ways they obtain these weapons:

1. Black Market Purchases: The black market in Somalia and neighboring regions is a significant source of weapons. Due to the lack of effective government control and ongoing conflicts, arms trafficking is prevalent, making it relatively easy for pirates to purchase weapons like AK-47s.

2. Looting and Raids: Pirates sometimes acquire weapons by raiding military depots or looting from other armed groups. In the chaos of conflict zones, weapons can change hands frequently.

3. International Smuggling: There are international networks that smuggle arms into Somalia. These networks often exploit the porous borders and the lack of maritime security to bring in weapons from other countries.

4. Corruption and Bribery: Corruption within local authorities or military forces can also facilitate the acquisition of weapons. Pirates may bribe officials to gain access to arms.

5. Leftover from Conflicts: Somalia has experienced decades of conflict, leaving a large number of weapons in circulation. Many of these weapons, including AK-47s, are remnants from past wars and are readily available.

These methods highlight the complex interplay of local and international factors that contribute to the availability of weapons in Somalia, enabling piracy activities.