The MB20 Battery Magazine holds six SF123A batteries and fits the M6 Guardian handheld flashlight and all "B" option Millennium Forend WeaponLights. The MB20 is an included component of the aforementioned systems, but some users may wish to purchase a back-up unit for quick battery changes in the field.
Batteries not included. SureFire Battery Magazine (MB20)
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.