bipod

A bipod mount for an airsoft gun with a barrel of 22mm in diameter and a height of it put together is 156mm, you will need to drill holes for screws and screw on legs and the peg in the middle is for an extra thing to sit on don't print the middle support if you don't want it.

Fill- 20 to whatever you want

Supports- none one cube, the stands need supports

layer height and speed you figure out should print fine.