Folks often ask us how to select a handguard length for a given gas system, or they ask what barrel length is needed to achieve a desired positioning of the muzzle device relative to the handguard. I wrote this guide to help explain the factors involved and provide an easy guide to designing your dream setup.
https://truenortharms.com/blogs/q-a/handguard-sizing-barrel-lengths-and-muzzle-devices
https://truenortharms.com/blogs/q-a/handguard-sizing-barrel-lengths-and-muzzle-devices