How to get Gunsen Prime Blueprint in Warframe?

Gunsen Prime Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Gunsen Prime Blueprint

• Lith C11 (Common) - Vaulted
• Lith L6 (Common) - Vaulted
• Lith N16 (Common) - Vaulted
• Meso F5 (Common) - Vaulted
• Neo C4 (Common) - Vaulted
• Neo P6 (Common) - Vaulted
• Neo Z10 (Common) - Vaulted
• Axi P9 (Common) - Vaulted