Desert Tech WLVRN Conversion Kit 5.56x45mm NATO 16in 10 Round Black. 56x45mm NATO 16in: Manufacturer: Desert Tech Color: Black Caliber: 5.56x45mm NATO Magazine Capacity: 10 Round Magazine Included: No Features of Desert Tech WLVRN Conversion Kit 5.56x45mm NATO 16in For converting WLVRN rifle to 16-inch 5.56N/223Rem 10rnd contains barrel bolt mag catch magwell (as needed) Package Contents: Desert Tech WLVRN Conversion Kit 5.56x45mm NATO 16in Desert Tech WLV-CK-B1610: WLVRN Conversion Kit 5.56x45mm NATO 16in 10 Round Black