Frag Grenade is an intel report that appears in Michael Becket's Datanet in F.E.A.R. 2: Project Origin. It covers the specs of the N6A3 Fragmentation Grenade.
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THE N6A3 FRAGMENTATION GRENADE IS A STEEL BODIED SPHERE DESIGNED TO BURST INTO NUMEROUS FRAGMENTS WHEN DETONATED. COMPOSITION 'B' PASTIC EXPLOSIVES PACKED INSIDE THE GRENADE PROVIDE ITS EXPLOSIVE POWER. THE WEAPON HAS AN EFFECTIVE KILL RADIUS OF 5 METERS AND IS USEFUL AGAINST ENTRENCHED OR DEFILADED HOSTILES.