11 to 12.5 inch handguard / rail

[Bass USMC]

I’m in the process of building a 6.8 pistol and need a few more parts.

Handguard - 11” to 12.5”
Let me know what you have.

Also looking for an adjustable gas block and gas tube, quality upper parts kit, and muzzle device to use while I decide what suppressor I’ll be adding to the build.

Thanks ODT