this post was submitted on 16 Jun 2023
78 points (100.0% liked)
196
16890 readers
519 users here now
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
That's probably a 12 gauge over/under. The ID of the bore is .729", or 18.5166 mm.