It doesn't need gas ports on top, the side ports are open more above than below for the same effect. You can't see it in the picture, but you can in person. Mine works fine in keeping the barrel down, while I wait for my suppressor to get out of jail.


Quote Originally Posted by Spdu4ia View Post
Good idea about the TBAC , I'll look into it as well. Little more expensive than the JP. No gas ports on the top though? I'd rather not drill mine ... Doesn't look like a lot of metal left in that area already to play with. Does the TBAC come with thread protector or is that extra too?