We have had two extensions get loose on our M2s in the last two years during qualifying. We just reset them using rocksett as that is what they seem to have been fastened with before. Ours did not get screwed all the way tight, but just shy of all the way tight to interact with the bolt face correctly.
M2 barrel extension loosening
in Benelli
Posted
We have had two extensions get loose on our M2s in the last two years during qualifying. We just reset them using rocksett as that is what they seem to have been fastened with before. Ours did not get screwed all the way tight, but just shy of all the way tight to interact with the bolt face correctly.