A jig to hold the AR 15 bolt while you work on the ejector / extractor. PLA+ 225C 60C, supports yes 55 degrees, infill 100%, walls 4, .15 res

Parts needed. 1 spent 5.56/2.23 casing (cut off about 10 mm from the primer side and attach this to the end of the bolt to push the ejector in)

1 long bolt and 2 nuts to for in the hole ~18mm nut (super glue/epoxy the nuts in the hole)