VFC Umarex HK33 GBBR Lights and Lasers Thunder B grenades use a

Thunder B grenades use a safety pin / spoon design very similar to a real grenade

Manual Brightness Control with Lockout Mode

75 V ready – it operates at very low voltage (even 1

1v Li-Po batteries

VFC Umarex HK33 GBBR Lights and Lasers Thunder B grenades use aThe Heckler & Koch HK33 is a 5. 56mm rifle developed in the1960s by West German armament manufacturer Heckler & Koch GmbH, also known as H&K, and is primarily for export use. Built on the success of their G3 battle rifle design, the company developed a family of small arms (all using the G3 operating principle and basic design concept) consisting of four types of firearms. The first type, chambered in 7. 62x51mm NATO; the second, using the soviet 7.