Originally Posted by audiomarty
If you're using a delrin bolt that doesn't have o-rings anyways yeah, you can do that. And if it does have o-rings you shoud taper down the insides of the tube, round off the sharp edges so they don't get cut up. Just always be cautious and know where your air pasages are whenever you do any milling.
What do you mean air passage ways? And my bolt is plastic with some orings.