Spare tubes for various pen kits.
Sierra/Gatsby Twist – 27/64″ x 2.21″
30-Cal Bolt Action – 3/8″ x 1.97″
The following Jr tubes fit most Jr Gent II family kits, including those from Dayacom. The Jr tubes are for a set of two tubes, cap & body.
Jr Cap – 12.5mm x 48mm
Jr Body – 10.5mm x 55mm
Other
Brass Tubes
Price range: $0.00 through $35.00
Nov 2, 2025 – I’m currently out of stock of spare tubes, but will be ordering more. Unfortunately, I’m not sure what the new price will be due to tariffs.
Spare tubes for various pen kits.
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Pen Kit | Bolt Action, Jr. Gent Family, Sierra |
| Quantity | 1, 100 |