Building 'Barrage' Torpedo Launcher in EVE Online

What it takes to make 'Barrage' Torpedo Launcher, straight from the game's own blueprint data: every material and how many of each. The calculator above prices that list at one region's orders and draws the whole chain as a graph.

What goes into one run of 'Barrage' Torpedo Launcher

1 unit per run
Material	Per run	Can be built too
Tritanium	122	no - buy or mine it
Pyerite	1,342	no - buy or mine it
Nocxium	9	no - buy or mine it
Zydrine	4	no - buy or mine it
Megacyte	22	no - buy or mine it
Guristas Heavy Weapon Console	2	no - buy or mine it

Production runs in whole batches. One run of 'Barrage' Torpedo Launcher gives 1 unit, so asking for fewer than that still means one full run - the game has no half runs, and rounding down would quietly tell you to buy the missing pieces.

For what 'Barrage' Torpedo Launcher actually is - mass, volume, attributes and the description from the game - see its item page, and for what it trades at right now, its market page.