Inktend / Pen library / Ironsides Model C
Birmingham Pen Co.
Ironsides Model C
A model in Birmingham Pen Co.'s fountain pen lineup. Specs below reflect the typical configuration across Birmingham Pen Co.'s core range.
A solid mid-range option once someone has decided fountain pens are a habit worth investing a bit more into.
Specs
About Birmingham Pen Co.
Birmingham Pen Co. is a two-person American ink and pen manufacturer from the Pittsburgh, Pennsylvania area, originally based in a warehouse on the Monongahela River in Pittsburgh's Southside and now located in Cranberry Township. The name honors the Southside's old nickname 'Little Birmingham', a nod to Birmingham, UK, the historic center of pen and nib manufacturing. The company hand-produces small batches of fountain pen ink in distinct in-house formulas such as Keystone and Everlasting.
How to fill the Birmingham Pen Co. Ironsides Model C
Fill it two ways: snap in a pre-filled international cartridge for convenience, or use a converter — a small plunger or twist mechanism that installs the same way a cartridge does — to draw ink from any bottle. The converter route opens up the entire world of bottled ink, which is where most of the hobby's color variety lives.
Choosing a nib size
Nib size determines line width, not writing pressure — fountain pens are meant to glide, never press. Extra-fine (EF) suits small, dense handwriting and thin paper; fine (F) is the most broadly recommended default; medium (M) shows more ink character and shading; broad (B) and stub grinds favor bold, expressive strokes and calligraphy-adjacent writing.
Keeping it clean
A quick flush with cool water every time you switch ink colors — and a full clean every 4–6 weeks of regular use — is enough to keep the nib and feed performing well. Inktend's cleaning reminder is tuned to a 21-day baseline and adjusts naturally to how often you actually refill.
Pairing inks with the Ironsides Model C
Because refills are quick with a cartridge or converter, this is a good pen for rotating through several colors rather than committing to one; sample vials work especially well here.
Frequently asked questions
More from Birmingham Pen Co.
Specs reflect the typical configuration across Birmingham Pen Co.'s core lineup rather than this exact model — check current listings before buying.