Title says it all. I need an open ended USGI type barrel nut wrench to work on barrels with pinned FSBs/gas blocks. My PRI doesn't allow this. I thought about cutting out a chunk of the wrench but decided I don't want to. So, if you've got a USGI wrench and would like to trade please let me know. The PRI sells for a little more than USGI so I think a straight swap is good.