The mojo is the first product developed with the recreational shooter in mind.It 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 mojo has a system of easily replaceable grips; the tactical grip can be used while performing drills on the range, and then quickly replaced with a mask grip, according to personal preferences.It is constructed of a durable and lightweight fiberglass reinforced polymer and is compatible with m16 5.56x45 lower receiver variants, without a flared magazine well.(may not work well with the pmag gen3) this model has a black finish and spartan mask.Caliber: 5.56x45mm NATOFinish: BlackModel: Mojo MagwellMaterial: PolymerType: Magazine WellModel Fit: M16, AR15