Normalized tube record

0.338 in OD tube

A measured tube group centered on 0.338-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.338 in OD

Observed outside diameters0.338" (8.6 mm)

Known kit lengths4

Linked kits / projects3

Replacement listings0

Before substituting

Match OD, wall thickness, and length.

The class name helps discovery; it does not override the kit maker's current tube specification. A close drill size does not prove that two brass tubes are interchangeable.

Kit cross-reference

Known barrel lengths

Button Click BPBerea Hardwoods · No SKU recordedUpper / capbarrel position0.338" (8.6 mm)tube OD1.980" (50.3 mm)tube lengthNot recordedminimum blank cutOpen kit →Button Click BPBerea Hardwoods · No SKU recordedLower / bodybarrel position0.338" (8.6 mm)tube OD1.980" (50.3 mm)tube lengthNot recordedminimum blank cutOpen kit →Perfect Fit Convertable BP and PencilBerea Hardwoods · No SKU recordedUpper / capbarrel position0.338" (8.6 mm)tube OD2.130" (54.1 mm)tube lengthNot recordedminimum blank cutOpen kit →Retro BPBerea Hardwoods · No SKU recordedUpper / capbarrel position0.338" (8.6 mm)tube OD1.180" (30.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Retro BPBerea Hardwoods · No SKU recordedLower / bodybarrel position0.338" (8.6 mm)tube OD1.480" (37.6 mm)tube lengthNot recordedminimum blank cutOpen kit →