Originally Posted by Yondering


The front adjustable gas blocks are a real pain with a lot of handguards, unless the gas block is right at the end of the handguard; you have to use a special long hex wrench to access the adjustment, and if you lose that wrench, you'll be taking the handguard off to adjust it. Even with the long wrench, you generally can't turn more than ~3/4 turn at a time because the barrel is in the way.


These solve the problem quite nicely in the appropriate length with no fuss, no muss.

Ball End Hex Driver

They are also available from SLR as well........................

MM