How To Tune A Superlative Arms Adjustable Gas Block

You can find the SA Adjustable Gas Block here: https://tinyurl.com/yckmymzz

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.