07-14-2018, 03:11 PM
Just to add a lil info.
If for whatever reason you have to do work that requires you to take off the gas block, JP specs their barrels so the gas block has to be tight against the shoulder for the gas block to line up properly.
You may find some gas blocks just will not work on this barrel.
If for whatever reason you have to do work that requires you to take off the gas block, JP specs their barrels so the gas block has to be tight against the shoulder for the gas block to line up properly.
You may find some gas blocks just will not work on this barrel.

