Excellent adjustable gas block! - Seekins Precision Select Adjustable Gas Block

Excellent choice for running subs and supers through the same gun without having to grab your Allen wrench. Comes with a short lever for under the hand guard positioning. Allows for precise tuning with Allen wrench and quick adjustments with lever. My only complaint is that the lever is very stiff, almost impossible to move with the short lever. I do believe it will loosen with more use. The longer lever won’t fit under my hand guard but that is much easy to flip from side to side. Allows for about 5 detents of adjustments without an Allen wrench, once the lever is locked in place. Have is on my 300blk pistol that I run a suppressor under the hand guard.