FAB Defense MOJO Improved Mag-Well Mask Havoc Skull Black. These AR 15 Parts from FAB Defense feature a replaceable grip area that swaps out the standard grip with the chic mask. With quick and easy installation the FAB Defense MOJO Improved Mag-Well Mask does not require the assistance of a gunsmith. Have some fun with your recreational firearm by adding your own style with a FAB Defense MOJO Improved Mag-Well Mask Havoc Skull. Specifications for FAB Defense MOJO Improved Mag-Well Mask Havoc Skull: Manufacturer: FAB Defense Additional Features: M16 5.56x45 lower receiver variants without a flared magazine well Weight: 0.174 lb 79 g Height: 3.23 in 82 mm Width: 33 mm 1.3 in Length: 90 mm 3.54 in Features of FAB Defense MOJO Improved Mag-Well Mask Havoc Skull: Quick and easy installation no gunsmith required Package Contents: FAB Defense MOJO Improved Mag-Well Mask Havoc Skull 1S0-MGW-MOJOHS FAB Defense FX-MOJO-HAVB: MOJO Improved Mag-Well Mask Havoc Skull Black