FerFrans CQB & Fortis REV 7

AR/M4 AR Pistols & Pistol Caliber ARs
1

Going to build my first Pistol/SBR and was wondering if the following would all fit and work?

7.5" Pistol upper
Fortis REV 7" Rail
FerFrans CQB Muzzle Device

If anyone can help out with info or pics please do so.

TR