Hi Jackie, this is not the magwell itself but a Decorative Insert for the MOJO Mag-Well >>> https://fab-defenseus.com/mojo-improved-mag-well-mask-spartan-phalanx/
Stay safe & have a great day!

Hi Jackie and welcome. It is just the front piece for the MOJO Magazine Well. 4th picture down here: https://fab-defenseus.com/mojo-improved-mag-well-mask-spartan-phalanx/ ------------- Cheers, stay safe and enjoy!

it fits the front of the magwell of a ar15 to make reloading easier "The MOJO is the latest evolution of the FAB-Defense bestselling product, the MWG. The MOJO Improved Mag-Well is the first product developed with the recreational shooter in mind, like its predecessor, the MOJO transforms the standard AR Magwell into a comfortable and ergonomic foregrip with a flared and extended magazine well that enhances reload speed while adding an ornamental aspect to the civilian firearm. The Phalanx mask is part of the easily replaceable grips system for the MOJO. The Tactical grip that comes standard with the MOJO and is ideal for performing drills on the range. However, you can then quickly replace the tactical grip with the Phalanx mask depending on your personal preferences.