Hi. I was wanting a CMMG 16" m10m or m10r upper. Under the Handguard options it lists the YHM Handguards but not the $108 YHM Free Float Forearm (the one that has to be installed directly on the barrel). I also don't see a Phantom Flash option. One of these Dissipator-style uppers with Phantom Flash and the YHM Forearm Rails (not handguard) would be my perfect upper. Just wanted to know if it was possible to get all that on this style upper if I called it in.
Apologies if any of these questions sound ignorant...I am a long time shooter but am new to the more exotic aspects of ar15 building.