1/s production of yellow and red ammo (basic and piercing rounds). Uses a lot of iron (8/s), steel (1/s), and copper (5/s). Feed the iron into the top lane, and copper/steel into either of the other two lanes.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
1/s production of yellow and red ammo (basic and piercing rounds). Uses a lot of iron (8/s), steel (1/s), and copper (5/s). Feed the iron into the top lane, and copper/steel into either of the other two lanes.