05-20-2014, 05:30 AM
My 22" BHW runs both without a whimper. I installed a BTE variable gas block and with minor adjustment, now have nice little piles of brass just over my right shoulder. With 2" less barrel, your reduced dwell time should result in a slightly less energetic bolt speed, but I wouldn't hesitate going with the UBR. I would also be quite surprised if you had to open the gas port any at all.
Just remember - when you take it out to the range, pics are mandatory, or it didn't happen.
Just remember - when you take it out to the range, pics are mandatory, or it didn't happen.