08-27-2019, 07:44 AM
+1, What he said.
It is likely these guys have chambered your barrel and then later, after receiving the JP bolt realised they have machined a chamber out of headspace spec for that bolt. What they should have done is waited until they had your bolt to measure the lug lengths and the recess depth and machined it until the gauges fit. Instead they have used their own bolt to headspace a chamber on their timetable.
We don't know if there was an evil agenda from the start to get you to buy their bolt but more likely they have simply realised your JP bolt has different measurements to their bolt and the path of least resistance is to claim the JP bolt is faulty and get you to buy theirs. Otherwise they have to chamber another barrel.
Have you paid in full for the barrel?
If you are using a suppressor I would also get an adjustable gas block. You'll be wanting to shoot it both suppressed and unsuppressed and one spring/buffer/gas port configuration will not be perfect for both. If you don't fire a lot of rounds it might appear reliable but if you do it will rattle itself to early parts failure (too much gas) or jam when it gets dirty (too little).
I don't glue my guns. Tried it once and it made no difference to group sizes. It's a contentious issue with other guys swearing by it. My thoughts, each to their own but if you buy decent parts with tight tolerances you don't need it.
It is likely these guys have chambered your barrel and then later, after receiving the JP bolt realised they have machined a chamber out of headspace spec for that bolt. What they should have done is waited until they had your bolt to measure the lug lengths and the recess depth and machined it until the gauges fit. Instead they have used their own bolt to headspace a chamber on their timetable.
We don't know if there was an evil agenda from the start to get you to buy their bolt but more likely they have simply realised your JP bolt has different measurements to their bolt and the path of least resistance is to claim the JP bolt is faulty and get you to buy theirs. Otherwise they have to chamber another barrel.
Have you paid in full for the barrel?
If you are using a suppressor I would also get an adjustable gas block. You'll be wanting to shoot it both suppressed and unsuppressed and one spring/buffer/gas port configuration will not be perfect for both. If you don't fire a lot of rounds it might appear reliable but if you do it will rattle itself to early parts failure (too much gas) or jam when it gets dirty (too little).
I don't glue my guns. Tried it once and it made no difference to group sizes. It's a contentious issue with other guys swearing by it. My thoughts, each to their own but if you buy decent parts with tight tolerances you don't need it.