Picking the right AR15 pistol lower can be confusing, especially when considering what parts and accessories you need. CMMG has taken out the guess work with the BANSHEE Mk4 lower group. Each lower group comes with a suite of innovative parts from our line of ZEROED(TM) accessories. Available in seven different Cerakote finishes. FeaturesZEROED Pistol GripZEROED Trigger GuardZEROED 60deg /90deg Ambi SafetyZEROED Ambi Mag CatchZEROED Extended Mag Release ButtonZEROED AR15 Bolt Catch