Clamp on or pinned.

How To Tune A Superlative Arms Adjustable Gas Block

Is your direct impingement AR15 / M4 rifle overgassed or undergassed?  How can you even tell?  Chances are your rifle is overgassed and I can show you an easy way to tell.

A great solution to overgassed weapons is the Superlative Arms Adjustable Gas Block.  I’ll walk you through how to tune your rifle.  Creating the highest reliability with the lowest recoil impulse.

You can find the SA Adjustable Gas Blocks here.

No matter what kind of ammo, muzzle device or suppressor you are running, you can get it running smooth.